diff --git a/.env.example b/.env.example
index 22bac5d..951de34 100644
--- a/.env.example
+++ b/.env.example
@@ -3,3 +3,4 @@ EXPO_PUBLIC_SILENCELABS_NODE_URL=https://api.silencelabs.org
 EXPO_PUBLIC_DISABLE_SILENCELABS=false
 EXPO_PUBLIC_DISABLE_WALLET_APIS=false
 EXPO_PUBLIC_AUTO_LOGIN_GUEST=false
+EXPO_PUBLIC_GOOGLE_CLIENT_ID=<your-web-client-id>
diff --git a/README.md b/README.md
index d9f8ac5..4b92920 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,7 @@ EXPO_PUBLIC_SILENCELABS_NODE_URL=https://api.silencelabs.org
 EXPO_PUBLIC_DISABLE_SILENCELABS=false
 EXPO_PUBLIC_DISABLE_WALLET_APIS=false
 EXPO_PUBLIC_AUTO_LOGIN_GUEST=false
+EXPO_PUBLIC_GOOGLE_CLIENT_ID=<your-web-client-id>
 ```
 6. Prebuild native directories:
 ```bash
diff --git a/src/contexts/AuthContext.tsx b/src/contexts/AuthContext.tsx
index 6631a92..23fab32 100644
--- a/src/contexts/AuthContext.tsx
+++ b/src/contexts/AuthContext.tsx
@@ -50,7 +50,9 @@ export function AuthProvider({ children }: AuthProviderProps) {
   }, []);
 
   useEffect(() => {
-    GoogleOneTapSignIn.configure({ webClientId: 'autoDetect' });
+    const webClientId =
+      process.env.EXPO_PUBLIC_GOOGLE_CLIENT_ID || 'autoDetect';
+    GoogleOneTapSignIn.configure({ webClientId });
   }, []);
 
   useEffect(() => {