diff --git a/packages/tendermint-rpc/src/config.spec.ts b/packages/tendermint-rpc/src/config.spec.ts
index 2810d856..4c158c6a 100644
--- a/packages/tendermint-rpc/src/config.spec.ts
+++ b/packages/tendermint-rpc/src/config.spec.ts
@@ -38,17 +38,18 @@ export const tendermintInstances: readonly TendermintInstance[] = [
       appVersion: 1,
     },
   },
-  {
-    url: "localhost:11134",
-    version: "0.34.x",
-    blockTime: 500,
-    expected: {
-      appCreator: "Cosmoshi Netowoko",
-      p2pVersion: 8,
-      blockVersion: 11,
-      appVersion: 1,
-    },
-  },
+  // Re-enable testing (https://github.com/cosmos/cosmjs/issues/486)
+  // {
+  //   url: "localhost:11134",
+  //   version: "0.34.x",
+  //   blockTime: 500,
+  //   expected: {
+  //     appCreator: "Cosmoshi Netowoko",
+  //     p2pVersion: 8,
+  //     blockVersion: 11,
+  //     appVersion: 1,
+  //   },
+  // },
 ];
 
 export const defaultInstance: TendermintInstance = tendermintInstances[0];