diff --git a/src/connectors/injected/index.ts b/src/connectors/injected/index.ts
index 8597513..c893e2f 100644
--- a/src/connectors/injected/index.ts
+++ b/src/connectors/injected/index.ts
@@ -85,12 +85,12 @@ export class InjectedConnector extends Connector {
     chainId?: StarknetChainId,
     accounts?: string[],
   ): void {
-    const { SN_GOERLI, SN_MAIN } = constants.StarknetChainId
+    const { SN_GOERLI, SN_MAIN, SN_SEPOLIA } = constants.StarknetChainId
     const account = accounts?.[0]
     switch (chainId) {
-      // TODO: add sepolia
       case SN_MAIN:
       case SN_GOERLI:
+      case SN_SEPOLIA:
         this.emit("change", { chainId, account })
         break
       default: