diff --git a/src.ts/providers/network.ts b/src.ts/providers/network.ts
index 27c7b7504..a268c708b 100644
--- a/src.ts/providers/network.ts
+++ b/src.ts/providers/network.ts
@@ -285,6 +285,7 @@ function injectCommonNetworks(): void {
     registerEth("rinkeby", 4, { ensNetwork: 4 });
     registerEth("goerli", 5, { ensNetwork: 5 });
     registerEth("kovan", 42, { ensNetwork: 42 });
+    registerEth("sepolia", 11155111, { });
 
     registerEth("classic", 61, { });
     registerEth("classicKotti", 6, { });
diff --git a/src.ts/providers/provider-alchemy.ts b/src.ts/providers/provider-alchemy.ts
index 7aea21a8f..82d4fa7d7 100644
--- a/src.ts/providers/provider-alchemy.ts
+++ b/src.ts/providers/provider-alchemy.ts
@@ -25,6 +25,8 @@ function getHost(name: string): string {
             return "eth-mainnet.alchemyapi.io";
         case "goerli":
             return "eth-goerli.g.alchemy.com";
+        case "sepolia":
+            return "eth-sepolia.g.alchemy.com";
 
         case "arbitrum":
             return "arb-mainnet.g.alchemy.com";