diff --git a/.github/workflows/ci-bundling-trial.yml b/.github/workflows/ci-bundling-trial.yml
index 1fac0ef2d1..b8e0b7197f 100644
--- a/.github/workflows/ci-bundling-trial.yml
+++ b/.github/workflows/ci-bundling-trial.yml
@@ -382,6 +382,8 @@ jobs:
     name: 'Test (Linux) - Core'
     needs: build
     runs-on: 'gemini-cli-ubuntu-16-core'
+    env:
+      GEMINI_SANDBOX: 'false'
     steps:
       - name: 'Checkout'
         uses: 'actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8'