diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bdd90b1..f2ffb95 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     name: vitest unit tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: "24"
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 3e9d8ef..4afb69d 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -31,7 +31,7 @@ jobs:
       actions: read # read workflow run metadata (private-repo parity)
     steps:
       - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@dfad8f8ebc168f044d22d94180b54591ef6c0321 # v3.34.0
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 03a65b9..8ce9deb 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -22,7 +22,7 @@ jobs:
     name: gitleaks full-history secret scan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           # Full history is required for --log-opts=--all (scan every commit on
           # every ref, not just the PR diff). A shallow clone would silently
@@ -51,7 +51,7 @@ jobs:
     name: npm audit (high + critical)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: "24"
@@ -64,7 +64,7 @@ jobs:
     name: dependencies exact-pinned
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Assert no ^ or ~ ranges (audited tree == shipped tree, G8)
         run: |
           node -e '