diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d7542eb..3a6fa598 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,9 +20,9 @@ jobs:
         toxenv: [docs, quality, django42, django52]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: setup python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -39,7 +39,7 @@ jobs:
 
     - name: Run coverage
       if: matrix.python-version == '3.12' && matrix.toxenv == 'django52'
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@75cd11691c0faa626561e295848008c8a7dddffe # v5.5.4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         flags: unittests
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 6bd38f27..acc2347d 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@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: 3.12
 
diff --git a/tox.ini b/tox.ini
index 19b2d6ec..ce1534c0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -53,6 +53,7 @@ allowlist_externals =
     rm
 deps =
     setuptools
+    pbr
     wheel
     -r{toxinidir}/requirements/doc.txt
 commands =