diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9b69f24..76f431a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
                          "3.13"]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v6.0.2
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6