diff --git a/docs/generated/changelog.html b/docs/generated/changelog.html
index 577a4cfde..49cf04de9 100644
--- a/docs/generated/changelog.html
+++ b/docs/generated/changelog.html
@@ -12,6 +12,10 @@ <h1>Agent-JS Changelog</h1>
     <section>
       <h2>Version x.x.x</h2>
       <ul></ul>
+      <h2>Version 0.20.2</h2>
+      <ul>
+        <li>fix: restoring localhost to list of known hosts</li>
+      </ul>
       <h2>Version 0.20.1</h2>
       <ul>
         <li>feat: retry query signature verification in case cache is stale</li>
diff --git a/packages/agent/src/agent/http/index.ts b/packages/agent/src/agent/http/index.ts
index 7409346e2..e3213f573 100644
--- a/packages/agent/src/agent/http/index.ts
+++ b/packages/agent/src/agent/http/index.ts
@@ -224,7 +224,7 @@ export class HttpAgent implements Agent {
         );
       }
       // Mainnet and local will have the api route available
-      const knownHosts = ['ic0.app', 'icp0.io', '127.0.0.1', '127.0.0.1'];
+      const knownHosts = ['ic0.app', 'icp0.io', '127.0.0.1', 'localhost'];
       const hostname = location?.hostname;
       let knownHost;
       if (hostname && typeof hostname === 'string') {