diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6951a13..76425a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,9 +18,9 @@ jobs:
         python-version: ['3.12']
         toxenv: [quality, django42, django52, check_keywords]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
     - name: setup python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -37,7 +37,7 @@ jobs:
 
     - name: Run Coverage
       if: matrix.python-version == '3.12' && matrix.toxenv=='django52'
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4.6.0
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         flags: unittests
diff --git a/.github/workflows/publish_pypi.yml b/.github/workflows/publish_pypi.yml
index da49912..9bc5651 100644
--- a/.github/workflows/publish_pypi.yml
+++ b/.github/workflows/publish_pypi.yml
@@ -12,9 +12,9 @@ jobs:
 
      steps:
        - name: Checkout
-         uses: actions/checkout@v4
+         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
        - name: setup python
-         uses: actions/setup-python@v5
+         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
          with:
            python-version: 3.12