diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 7ad52dd..67806ce 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -11,11 +11,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 🛑 Cancel Previous Runs
-        uses: styfle/cancel-workflow-action@0.12.1
+        uses: styfle/cancel-workflow-action@85880fa0301c86cca9da44039ee3bb12d3bedbfa # 0.12.1
       - name: Checkout the repository
-        uses: actions/checkout@main
+        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # main
       - name: 🐍 Setup uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5
       - name: Run tests
         run: |
           uvx --with marimo pytest -v