diff --git a/.github/workflows/javascript-npm-packages.yml b/.github/workflows/javascript-npm-packages.yml
index 5e32b35..13691d5 100644
--- a/.github/workflows/javascript-npm-packages.yml
+++ b/.github/workflows/javascript-npm-packages.yml
@@ -30,7 +30,7 @@ jobs:
     if: ${{ github.ref_type == 'branch' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - uses: coroboros/ci/.github/actions/check-docs@v0
       - uses: coroboros/ci/.github/actions/javascript/base@v0
 
@@ -41,7 +41,7 @@ jobs:
       contents: write   # for GitHub Release creation + commit-back to main
       id-token: write   # for npm OIDC Trusted Publisher
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           ref: main
           fetch-depth: 0
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 86192e1..a34cd93 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -17,12 +17,12 @@ jobs:
   gitleaks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           fetch-depth: 0
 
       - name: Checkout canonical gitleaks config
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           repository: coroboros/ci
           path: .coroboros-ci
@@ -74,7 +74,7 @@ jobs:
 
       - name: Upload SARIF report
         if: always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
         with:
           name: gitleaks-report
           path: results.sarif
@@ -85,8 +85,8 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
-      - uses: actions/dependency-review-action@2031cfc080254a8a887f58cffee85186f0e49e48  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      - uses: actions/dependency-review-action@a1d282b36b6f3519aa1f3fc636f609c47dddb294  # v4
         with:
           fail-on-severity: high
           comment-summary-in-pr: never
@@ -94,7 +94,7 @@ jobs:
   osv-scanner:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - uses: google/osv-scanner-action/osv-scanner-action@9a498708959aeaef5ef730655706c5a1df1edbc2  # v2.3.8
         with:
           scan-args: |-
diff --git a/.github/workflows/self.yml b/.github/workflows/self.yml
index 9e36986..23565cb 100644
--- a/.github/workflows/self.yml
+++ b/.github/workflows/self.yml
@@ -18,7 +18,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Install actionlint
         shell: bash
@@ -41,7 +41,7 @@ jobs:
   yamllint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Install yamllint
         shell: bash
@@ -54,7 +54,7 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Run shellcheck on inline workflow scripts
         uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38  # v2.0.0
         env: