diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 763531e..138a36c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,9 @@ jobs:
         working-directory: api-server
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
           cache: pip
@@ -52,9 +52,9 @@ jobs:
         working-directory: chrome-bridge
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
-      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v6
         with:
           node-version: "22"
           cache: npm
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 97d8179..b52ee18 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,15 +24,15 @@ jobs:
         language: [ "actions", "javascript", "python" ]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4
         with:
           languages: ${{ matrix.language }}
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/autobuild@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index b9befa5..a93f832 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -18,9 +18,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/provenance.yml b/.github/workflows/provenance.yml
index 607cb7d..f79a9be 100644
--- a/.github/workflows/provenance.yml
+++ b/.github/workflows/provenance.yml
@@ -48,15 +48,15 @@ jobs:
     env:
       GH_TOKEN: ${{ github.token }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
           cache: pip
           cache-dependency-path: api-server/requirements.txt
 
-      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v6
         with:
           node-version: "22"
           cache: npm
@@ -105,7 +105,7 @@ jobs:
 
       - name: Attest Gemini Nano demo bundle
         id: attest
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4
         with:
           subject-path: "gemini-nano-demo-bundle-${{ github.sha }}.tar.gz"