diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b10bf99f..d4f7edd8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
             python_version: '3.12'
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Parse custom apparmor profile with ABI 3.0
         run: sudo apparmor_parser -r -W apparmor-profiles/home.sandbox.codejail_sandbox.bin.python-abi3
 
diff --git a/.github/workflows/pypi-release.yml b/.github/workflows/pypi-release.yml
index 2ee77094..2080bd0f 100644
--- a/.github/workflows/pypi-release.yml
+++ b/.github/workflows/pypi-release.yml
@@ -11,9 +11,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: setup python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: 3.12