diff --git a/.github/workflows/downstream.yaml b/.github/workflows/downstream.yaml
index 56fd9ccfc..cb7eee57d 100644
--- a/.github/workflows/downstream.yaml
+++ b/.github/workflows/downstream.yaml
@@ -18,12 +18,12 @@ jobs:
       run:
         shell: bash
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
           path: poetry-core
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
           path: poetry
@@ -31,7 +31,7 @@ jobs:
           ref: ${{ matrix.ref }}
 
       - name: Set up Python 3.10
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
           python-version: "3.10"
 
@@ -45,7 +45,7 @@ jobs:
           poetry config virtualenvs.in-project true
 
       - name: Set up cache
-        uses: actions/cache@v4
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
         id: cache
         with:
           path: ./poetry/.venv
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 03ec859a8..c79d2ee13 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -15,7 +15,7 @@ jobs:
 
       - run: pipx run build
 
-      - uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
+      - uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
         with:
           name: distfiles
           path: dist/
@@ -58,6 +58,6 @@ jobs:
           name: distfiles
           path: dist/
 
-      - uses: pypa/gh-action-pypi-publish@f7600683efdcb7656dec5b29656edb7bc586e597 # v1.10.3
+      - uses: pypa/gh-action-pypi-publish@67339c736fd9354cd4f8cb0b744f2b82a74b5c70 # v1.12.3
         with:
           print-hash: true
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index a8f28b5b1..fb7692cfc 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -31,12 +31,12 @@ jobs:
       run:
         shell: bash
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
@@ -61,7 +61,7 @@ jobs:
         run: poetry config virtualenvs.in-project true
 
       - name: Set up cache
-        uses: actions/cache@v4
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
         id: cache
         with:
           path: .venv
diff --git a/.github/workflows/update-licenses.yaml b/.github/workflows/update-licenses.yaml
index 17aa774e2..43782acf7 100644
--- a/.github/workflows/update-licenses.yaml
+++ b/.github/workflows/update-licenses.yaml
@@ -10,12 +10,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Set up Python 3.10
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
           python-version: "3.10"