diff --git a/.github/workflows/presubmit-tests.yml b/.github/workflows/presubmit-tests.yml
index f0ec698..7f0d5b5 100644
--- a/.github/workflows/presubmit-tests.yml
+++ b/.github/workflows/presubmit-tests.yml
@@ -34,6 +34,6 @@ jobs:
           chmod +x toolbox
 
       - name: Install Extension
+        run: npx gemini extensions validate .
         env:
           GEMINI_API_KEY: "placeholder"
-        run: yes | npx gemini extensions install .