diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47fc9b1e4..dee276a31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,9 +3,10 @@ Changelog
 
 This change log is managed by `scripts/cmds/update-versions` but may be manually updated.
 
-ethers/v5.0.6 (2020-07-16 05:35)
+ethers/v5.0.6 (2020-07-16 05:54)
 --------------------------------
 
+  - Removed unnecessary dependency from BigNumber. ([#951](https://github.com/ethers-io/ethers.js/issues/951); [78b350b](https://github.com/ethers-io/ethers.js/commit/78b350bbc5ea73561bf47038743b9e51049496f7))
   - Longer Etherscan throttle slot interval. ([9f20258](https://github.com/ethers-io/ethers.js/commit/9f20258d5d39cd901d2078275323071eb0f3505b))
   - Fixed ENS overrides for the default provider. ([#959](https://github.com/ethers-io/ethers.js/issues/959); [63dd3d4](https://github.com/ethers-io/ethers.js/commit/63dd3d4682b564445948988243fa9139c598587b))
   - Added Retry-After support and adjustable slot interval to fetchJson. ([7d43545](https://github.com/ethers-io/ethers.js/commit/7d435453039f009b339d835ddee47e35a843711b))
diff --git a/karma-esm.conf.js b/karma-esm.conf.js
index b21ed23d2..13585bea4 100644
--- a/karma-esm.conf.js
+++ b/karma-esm.conf.js
@@ -15,10 +15,27 @@ module.exports = function(config) {
     ],
     port: 9876,
     logLevel: config.LOG_INFO,
-    browsers: [ 'ChromeHeadless' ],
+    browsers: [ 'ChromeHeadless', "HeadlessLittleLiar" ],
     autoWatch: false,
     singleRun: true,
-    browserNoActivityTimeout: 60000
+    browserNoActivityTimeout: 60000,
+    customLaunchers: {
+      HeadlessLittleLiar: {
+        base: 'ChromeHeadless',
+        flags: [
+          '--disable-extensions',
+
+          // Enable this to help debug CORS issues (otherwise fetch throws a useless TypeError)
+          //'--disable-web-security',
+
+          '--enable-automation',
+
+          // Cloudflare will block (on the testnet endpoints) any traffic
+          // from a headless chome (based on the user agent), so we lie
+          // This was take from Safari, because that is what I had on-hand
+          '--user-agent', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15']
+      }
+    },
     /*
     client: {
       mocha: {
diff --git a/karma-umd.conf.js b/karma-umd.conf.js
index d4b393c8f..09edf7e9a 100644
--- a/karma-umd.conf.js
+++ b/karma-umd.conf.js
@@ -15,14 +15,32 @@ module.exports = function(config) {
     ],
     port: 9876,
     logLevel: config.LOG_INFO,
-    browsers: [ 'ChromeHeadless' ],
+    browsers: [ 'ChromeHeadless', "HeadlessLittleLiar" ],
     autoWatch: false,
     singleRun: true,
-    browserNoActivityTimeout: 600000
+    browserNoActivityTimeout: 600000,
+
+    customLaunchers: {
+      HeadlessLittleLiar: {
+        base: 'ChromeHeadless',
+        flags: [
+            '--disable-extensions',
+
+            // Enable this to help debug CORS issues (otherwise fetch throws a useless TypeError)
+            //'--disable-web-security',
+
+            '--enable-automation',
+
+            // Cloudflare will block (on the testnet endpoints) any traffic
+            // from a headless chome (based on the user agent), so we lie
+            // This was take from Safari, because that is what I had on-hand
+            '--user-agent', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15']
+      }
+    },
     /*
     client: {
       mocha: {
-        grep: 'utf',
+        grep: 'Etherscan',
       }
     }
     */
diff --git a/package-lock.json b/package-lock.json
index 179f86710..f3f9e862c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -594,6 +594,15 @@
             "npm-normalize-package-bin": "^1.0.1"
           }
         },
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        },
         "safe-buffer": {
           "version": "5.2.1",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -1092,17 +1101,6 @@
         "semver": "^6.2.0"
       },
       "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        },
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
@@ -1137,17 +1135,6 @@
         "whatwg-url": "^7.0.0"
       },
       "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        },
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
@@ -1165,19 +1152,6 @@
         "@zkochan/cmd-shim": "^3.1.0",
         "fs-extra": "^8.1.0",
         "npmlog": "^4.1.2"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/describe-ref": {
@@ -1259,19 +1233,6 @@
         "fs-extra": "^8.1.0",
         "ssri": "^6.0.1",
         "tar": "^4.4.8"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/github-client": {
@@ -1336,19 +1297,6 @@
         "dedent": "^0.7.0",
         "fs-extra": "^8.1.0",
         "p-map-series": "^1.0.0"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/info": {
@@ -1373,19 +1321,6 @@
         "fs-extra": "^8.1.0",
         "p-map": "^2.1.0",
         "write-json-file": "^3.2.0"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/link": {
@@ -1472,19 +1407,6 @@
         "npmlog": "^4.1.2",
         "signal-exit": "^3.0.2",
         "write-pkg": "^3.1.0"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/npm-publish": {
@@ -1502,19 +1424,6 @@
         "npmlog": "^4.1.2",
         "pify": "^4.0.1",
         "read-package-json": "^2.0.13"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/npm-run-script": {
@@ -1650,19 +1559,6 @@
         "fs-extra": "^8.1.0",
         "npmlog": "^4.1.2",
         "upath": "^1.2.0"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/project": {
@@ -1733,17 +1629,6 @@
         "semver": "^6.2.0"
       },
       "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        },
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
@@ -1780,19 +1665,6 @@
         "fs-extra": "^8.1.0",
         "npmlog": "^4.1.2",
         "read-cmd-shim": "^1.0.1"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/rimraf-dir": {
@@ -1812,6 +1684,15 @@
           "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
           "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
           "dev": true
+        },
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
         }
       }
     },
@@ -1865,19 +1746,6 @@
         "@lerna/package": "3.16.0",
         "fs-extra": "^8.1.0",
         "p-map": "^2.1.0"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/symlink-dependencies": {
@@ -1893,19 +1761,6 @@
         "p-finally": "^1.0.0",
         "p-map": "^2.1.0",
         "p-map-series": "^1.0.0"
-      },
-      "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        }
       }
     },
     "@lerna/timer": {
@@ -2001,14 +1856,14 @@
       }
     },
     "@octokit/endpoint": {
-      "version": "6.0.3",
-      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-6.0.3.tgz",
-      "integrity": "sha512-Y900+r0gIz+cWp6ytnkibbD95ucEzDSKzlEnaWS52hbCDNcCJYO5mRmWW7HRAnDc7am+N/5Lnd8MppSaTYx1Yg==",
+      "version": "6.0.4",
+      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-6.0.4.tgz",
+      "integrity": "sha512-ZJHIsvsClEE+6LaZXskDvWIqD3Ao7+2gc66pRG5Ov4MQtMvCU9wGu1TItw9aGNmRuU9x3Fei1yb+uqGaQnm0nw==",
       "dev": true,
       "requires": {
         "@octokit/types": "^5.0.0",
         "is-plain-object": "^3.0.0",
-        "universal-user-agent": "^5.0.0"
+        "universal-user-agent": "^6.0.0"
       },
       "dependencies": {
         "is-plain-object": {
@@ -2018,13 +1873,10 @@
           "dev": true
         },
         "universal-user-agent": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-5.0.0.tgz",
-          "integrity": "sha512-B5TPtzZleXyPrUMKCpEHFmVhMN6EhmJYjG5PQna9s7mXeSqGTLap4OpqLl5FCEFUI3UBmllkETwKf/db66Y54Q==",
-          "dev": true,
-          "requires": {
-            "os-name": "^3.1.0"
-          }
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-6.0.0.tgz",
+          "integrity": "sha512-isyNax3wXoKaulPDZWHQqbmIx1k2tb9fb3GGDBRxCscfYV2Ch7WxPArBsFEG8s/safwXTT7H4QGhaIkTp9447w==",
+          "dev": true
         }
       }
     },
@@ -2082,9 +1934,9 @@
       }
     },
     "@octokit/request": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.4.5.tgz",
-      "integrity": "sha512-atAs5GAGbZedvJXXdjtKljin+e2SltEs48B3naJjqWupYl2IUBbB/CJisyjbNHcKpHzb3E+OYEZ46G8eakXgQg==",
+      "version": "5.4.6",
+      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.4.6.tgz",
+      "integrity": "sha512-9r8Sn4CvqFI9LDLHl9P17EZHwj3ehwQnTpTE+LEneb0VBBqSiI/VS4rWIBfBhDrDs/aIGEGZRSB0QWAck8u+2g==",
       "dev": true,
       "requires": {
         "@octokit/endpoint": "^6.0.1",
@@ -2094,7 +1946,7 @@
         "is-plain-object": "^3.0.0",
         "node-fetch": "^2.3.0",
         "once": "^1.4.0",
-        "universal-user-agent": "^5.0.0"
+        "universal-user-agent": "^6.0.0"
       },
       "dependencies": {
         "@octokit/request-error": {
@@ -2115,13 +1967,10 @@
           "dev": true
         },
         "universal-user-agent": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-5.0.0.tgz",
-          "integrity": "sha512-B5TPtzZleXyPrUMKCpEHFmVhMN6EhmJYjG5PQna9s7mXeSqGTLap4OpqLl5FCEFUI3UBmllkETwKf/db66Y54Q==",
-          "dev": true,
-          "requires": {
-            "os-name": "^3.1.0"
-          }
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-6.0.0.tgz",
+          "integrity": "sha512-isyNax3wXoKaulPDZWHQqbmIx1k2tb9fb3GGDBRxCscfYV2Ch7WxPArBsFEG8s/safwXTT7H4QGhaIkTp9447w==",
+          "dev": true
         }
       }
     },
@@ -2638,15 +2487,6 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
-    "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.14"
-      }
-    },
     "async-limiter": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
@@ -2812,9 +2652,9 @@
       "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
     },
     "base64id": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
       "dev": true
     },
     "bcrypt-pbkdf": {
@@ -3251,6 +3091,17 @@
         "ssri": "^6.0.1",
         "unique-filename": "^1.1.1",
         "y18n": "^4.0.0"
+      },
+      "dependencies": {
+        "rimraf": {
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-        "socket.io-client": "2.1.1",
-        "socket.io-parser": "~3.2.0"
+        "socket.io-client": "2.3.0",
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           "dev": true,
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-            "ms": "2.0.0"
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         }
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@@ -10737,56 +10624,34 @@
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+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.3.0.tgz",
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-        "debug": "~3.1.0",
-        "engine.io-client": "~3.2.0",
+        "debug": "~4.1.0",
+        "engine.io-client": "~3.4.0",
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         "has-cors": "1.1.0",
         "indexof": "0.0.1",
         "object-component": "0.0.3",
         "parseqs": "0.0.5",
         "parseuri": "0.0.5",
-        "socket.io-parser": "~3.2.0",
+        "socket.io-parser": "~3.3.0",
         "to-array": "0.1.4"
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       "dependencies": {
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-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
-          }
-        }
-      }
-    },
-    "socket.io-parser": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
-      "integrity": "sha512-FYiBx7rc/KORMJlgsXysflWx/RIvtqZbyGLlHZvjfmPTPeuD/I8MaW7cfFrj5tRltICJdgwflhfZ3NVVbVLFQA==",
-      "dev": true,
-      "requires": {
-        "component-emitter": "1.2.1",
-        "debug": "~3.1.0",
-        "isarray": "2.0.1"
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-      "dependencies": {
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-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
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@@ -10794,6 +10659,74 @@
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           "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=",
           "dev": true
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "socket.io-parser": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
+          "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+          "dev": true,
+          "requires": {
+            "component-emitter": "1.2.1",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "dev": true,
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+              "dev": true
+            }
+          }
+        }
+      }
+    },
+    "socket.io-parser": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
+      "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
+      "dev": true,
+      "requires": {
+        "component-emitter": "1.2.1",
+        "debug": "~4.1.0",
+        "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
         }
       }
     },
@@ -10941,6 +10874,14 @@
           "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
           "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
         },
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        },
         "string-width": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -10958,6 +10899,14 @@
             "ansi-regex": "^3.0.0"
           }
         },
+        "tmp": {
+          "version": "0.0.33",
+          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+          "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+          "requires": {
+            "os-tmpdir": "~1.0.2"
+          }
+        },
         "wrap-ansi": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -11111,15 +11060,6 @@
             "semver": "^6.0.0"
           }
         },
-        "rimraf": {
-          "version": "3.0.2",
-          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
-          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
-          "dev": true,
-          "requires": {
-            "glob": "^7.1.3"
-          }
-        },
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
@@ -11318,22 +11258,26 @@
       }
     },
     "streamroller": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-1.0.6.tgz",
-      "integrity": "sha512-3QC47Mhv3/aZNFpDDVO44qQb9gwB9QggMEE0sQmkTAwBVYdBRWISdsywlkfm5II1Q5y/pmrHflti/IgmIzdDBg==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-2.2.4.tgz",
+      "integrity": "sha512-OG79qm3AujAM9ImoqgWEY1xG4HX+Lw+yY6qZj9R1K2mhF5bEmQ849wvrb+4vt4jLMLzwXttJlQbOdPOQVRv7DQ==",
       "dev": true,
       "requires": {
-        "async": "^2.6.2",
-        "date-format": "^2.0.0",
-        "debug": "^3.2.6",
-        "fs-extra": "^7.0.1",
-        "lodash": "^4.17.14"
+        "date-format": "^2.1.0",
+        "debug": "^4.1.1",
+        "fs-extra": "^8.1.0"
       },
       "dependencies": {
+        "date-format": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/date-format/-/date-format-2.1.0.tgz",
+          "integrity": "sha512-bYQuGLeFxhkxNOF3rcMtiZxvCBAquGzZm6oWA1oZ0g2THUzivaRhv8uOhdr19LmoobSOLoIAxeUK2RdbM8IFTA==",
+          "dev": true
+        },
         "debug": {
-          "version": "3.2.6",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "dev": true,
           "requires": {
             "ms": "^2.1.1"
@@ -11622,11 +11566,12 @@
       }
     },
     "tmp": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
-      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.2.1.tgz",
+      "integrity": "sha512-76SUhtfqR2Ijn+xllcI5P1oyannHNHByD80W1q447gU3mp9G9PSpGdWmjUOHRDPiHYacIk66W7ubDTuPF3BEtQ==",
+      "dev": true,
       "requires": {
-        "os-tmpdir": "~1.0.2"
+        "rimraf": "^3.0.0"
       }
     },
     "to-array": {
@@ -11868,12 +11813,6 @@
       "integrity": "sha1-DqEOgDXo61uOREnwbaHHMGY7qoE=",
       "dev": true
     },
-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==",
-      "dev": true
-    },
     "umask": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/umask/-/umask-1.1.0.tgz",
diff --git a/package.json b/package.json
index b673b30c5..4b746c11e 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,8 @@
     "clean": "node ./admin/cmds/reset-build.js && tsc --build --clean ./tsconfig.project.json",
     "_dist-test-esm": "rollup -c rollup-tests.config.js --configModule",
     "_dist-test-umd": "rollup -c rollup-tests.config.js",
-    "_test-browser-umd": "karma start --single-run --browsers ChromeHeadless karma-umd.conf.js",
-    "_test-browser-esm": "karma start --single-run --browsers ChromeHeadless karma-esm.conf.js",
+    "_test-browser-umd": "karma start --single-run --browsers HeadlessLittleLiar karma-umd.conf.js",
+    "_test-browser-esm": "karma start --single-run --browsers HeadlessLittleLiar karma-esm.conf.js",
     "test-browser-umd": "npm run _dist-test-umd && npm run _test-browser-umd",
     "test-browser-esm": "npm run _dist-test-esm && npm run _test-browser-esm",
     "test-node": "mocha --no-colors --reporter ./packages/tests/reporter ./packages/tests/lib/test-*.js",
@@ -48,9 +48,9 @@
     "aws-sdk": "2.137.0",
     "diff": "4.0.1",
     "flatworm": "0.0.2-beta.4",
-    "karma": "5.0.2",
+    "karma": "5.1.0",
     "karma-chrome-launcher": "3.1.0",
-    "karma-mocha": "2.0.0",
+    "karma-mocha": "2.0.1",
     "lerna": "^3.20.2",
     "libnpmpublish": "1.1.3",
     "mocha": "^7.1.1",