diff --git a/src/index.ts b/src/index.ts
index e0eff1f..2e7dd91 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -58,7 +58,9 @@ const context = async ({ req }) => {
   if (authHeader.startsWith('Bearer ')) {
     const token = authHeader.substring(7, authHeader.length);
     const res = await verifyToken({ token });
-    return { auth: res };
+    if (res.isValid) {
+      return { auth: res };
+    }
   } else if (
     process.env.NODE_ENV === 'development' &&
     authHeader == 'Basic ZGV2OnB2N1VmYSFiZVAzeGk='