diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
index edf598d83c..34ad5f2d4d 100644
--- a/.github/workflows/_test.yml
+++ b/.github/workflows/_test.yml
@@ -16,7 +16,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python (oldest supported version)
-        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: "3.9"
           cache: 'pip'
@@ -55,7 +55,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
@@ -99,7 +99,7 @@ jobs:
         run: touch requirements.txt
 
       - name: Set up Python
-        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.x'
           cache: 'pip'
diff --git a/.github/workflows/_test_sslib_main.yml b/.github/workflows/_test_sslib_main.yml
index feb049c5f8..c8cf3107d9 100644
--- a/.github/workflows/_test_sslib_main.yml
+++ b/.github/workflows/_test_sslib_main.yml
@@ -16,7 +16,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.x'
           cache: 'pip'
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index e893b3b209..68ccb087b4 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -24,7 +24,7 @@ jobs:
           ref: ${{ github.event.workflow_run.head_branch }}
 
       - name: Set up Python
-        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.x'
 
@@ -54,7 +54,7 @@ jobs:
       release_id: ${{ steps.gh-release.outputs.result }}
     steps:
       - name: Fetch build artifacts
-        uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # v4.2.1
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           name: build-artifacts
 
@@ -96,7 +96,7 @@ jobs:
       id-token: write # to authenticate as Trusted Publisher to pypi.org
     steps:
       - name: Fetch build artifacts
-        uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # v4.2.1
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           name: build-artifacts
 
diff --git a/.github/workflows/specification-version-check.yml b/.github/workflows/specification-version-check.yml
index 3a7829b526..ed4f6bbe1f 100644
--- a/.github/workflows/specification-version-check.yml
+++ b/.github/workflows/specification-version-check.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
          persist-credentials: false
-      - uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: "3.x"
       - id: get-version