diff --git a/.github/workflows/gds.yaml b/.github/workflows/gds.yaml
index 28335c2..93dfbcd 100644
--- a/.github/workflows/gds.yaml
+++ b/.github/workflows/gds.yaml
@@ -24,3 +24,14 @@ jobs:
       id-token: write   # to verify the deployment originates from an appropriate source
     steps:
       - uses: TinyTapeout/tt-gds-action/viewer@tt05
+  gl_test:
+    needs: gds
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: GL test
+        uses: TinyTapeout/tt-gds-action/gl_test@tt05
\ No newline at end of file