diff --git a/e2e/clawdhub.e2e.test.ts b/e2e/clawdhub.e2e.test.ts
index d5ed667..36f0cb3 100644
--- a/e2e/clawdhub.e2e.test.ts
+++ b/e2e/clawdhub.e2e.test.ts
@@ -20,7 +20,7 @@ const REQUEST_TIMEOUT_MS = 15_000
 try {
   setGlobalDispatcher(
     new Agent({
-      allowH2: true,
+      allowH2: false,
       connect: { timeout: REQUEST_TIMEOUT_MS },
     }),
   )
diff --git a/packages/clawdhub/src/http.ts b/packages/clawdhub/src/http.ts
index 1a1dd52..e5c2c62 100644
--- a/packages/clawdhub/src/http.ts
+++ b/packages/clawdhub/src/http.ts
@@ -15,7 +15,7 @@ if (typeof process !== 'undefined' && process.versions?.node) {
   try {
     setGlobalDispatcher(
       new Agent({
-        allowH2: true,
+        allowH2: false,
         connect: { timeout: REQUEST_TIMEOUT_MS },
       }),
     )