diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
index f7e11b4..3ded830 100644
--- a/.github/workflows/python-package-conda.yml
+++ b/.github/workflows/python-package-conda.yml
@@ -11,7 +11,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v6.0.3
     - uses: conda-incubator/setup-miniconda@v4.0.1
       with:
         miniforge-version: latest
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 6c2ceec..ad42780 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false