diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44c797ba..f2c73273 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,10 +14,10 @@ jobs:
         python-version: ['3.12']
         toxenv: [django42, django52, quality]
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
     - name: Python setup
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -31,7 +31,7 @@ jobs:
 
     - name: Upload coverage to CodeCov
       if: matrix.python-version == '3.12' && matrix.toxenv == 'django42'
-      uses: codecov/codecov-action@v6
+      uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
       with:
         file: ./coverage.xml
         fail_ci_if_error: true
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 6befbd77..47024993 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -12,9 +12,9 @@ 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