diff --git a/.github/workflows/agentrust-codex-tests.yml b/.github/workflows/agentrust-codex-tests.yml
index 8acec8f..cb5736c 100644
--- a/.github/workflows/agentrust-codex-tests.yml
+++ b/.github/workflows/agentrust-codex-tests.yml
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ matrix.python-version }}"
       - name: Run dependency-free capture tests
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ matrix.python-version }}"
       - name: Run signing and conformance tests
@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Validate integration and plugin structure
diff --git a/.github/workflows/claude-code-tests.yml b/.github/workflows/claude-code-tests.yml
index b10a55c..809198b 100644
--- a/.github/workflows/claude-code-tests.yml
+++ b/.github/workflows/claude-code-tests.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Run stdlib-only tests (no crypto packages)
@@ -44,7 +44,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Run full suite (with crypto packages)
diff --git a/.github/workflows/spendguard-conformance.yml b/.github/workflows/spendguard-conformance.yml
index f7aaf64..bf2d7e1 100644
--- a/.github/workflows/spendguard-conformance.yml
+++ b/.github/workflows/spendguard-conformance.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
         with:
           python-version: ${{ matrix.python }}
       - name: Install released agentrust-io packages
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 626ab6b..8d349e4 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Validate integration manifests against schema