diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a3a3fb0..a699835 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,14 +18,14 @@ jobs:
     name: Verify
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Check out the tagged ProjectFlow baseline
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           repository: sjohnston1972/projectflow
           ref: demo-baseline-v3
           path: .artifacts/projectflow-target
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 22
           cache: npm
@@ -60,7 +60,7 @@ jobs:
         run: set -o pipefail; npm audit --audit-level=high 2>&1 | tee ci-logs/audit.log
       - name: Upload CI diagnostics
         if: failure()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: ci-diagnostics-${{ github.run_id }}
           path: |
@@ -77,7 +77,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - uses: actions/dependency-review-action@a1d282b36b6f3519aa1f3fc636f609c47dddb294 # v5.0.0
         with:
           fail-on-severity: high
@@ -89,8 +89,8 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
-      - uses: github/codeql-action/init@b7351df727350dca84cb9d725d57dcf5bc82ba26 # v3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
+      - uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
         with:
           languages: javascript-typescript
-      - uses: github/codeql-action/analyze@b7351df727350dca84cb9d725d57dcf5bc82ba26 # v3
+      - uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
diff --git a/.github/workflows/darwin-lab-runner.yml b/.github/workflows/darwin-lab-runner.yml
index c181e0c..c013ed9 100644
--- a/.github/workflows/darwin-lab-runner.yml
+++ b/.github/workflows/darwin-lab-runner.yml
@@ -19,8 +19,8 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
         with:
           node-version: 22
           cache: npm
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9cf24bb..68bf27b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -20,11 +20,11 @@ jobs:
       actions: read
       contents: read
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           ref: ${{ inputs.release_tag }}
       - name: Check out the tagged ProjectFlow baseline
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           repository: sjohnston1972/projectflow
           ref: demo-baseline-v3
@@ -41,7 +41,7 @@ jobs:
             echo "CI must pass for ${release_sha}; current result: ${conclusion}"
             exit 1
           }
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 22
           cache: npm
diff --git a/.github/workflows/wiki.yml b/.github/workflows/wiki.yml
index bc796c6..835460c 100644
--- a/.github/workflows/wiki.yml
+++ b/.github/workflows/wiki.yml
@@ -21,7 +21,7 @@ jobs:
     name: Publish docs/wiki
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: Synchronize the GitHub Wiki
         env:
           GH_TOKEN: ${{ github.token }}