diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 8d418b0..df7cf77 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v3.28.1
diff --git a/.github/workflows/guix-nix-policy.yml b/.github/workflows/guix-nix-policy.yml
index ec963fa..b84ad32 100644
--- a/.github/workflows/guix-nix-policy.yml
+++ b/.github/workflows/guix-nix-policy.yml
@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Enforce Guix primary / Nix fallback
         run: |
           # Check for package manager files
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 33d9f04..6b19b1d 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.GITLAB_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.BITBUCKET_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.CODEBERG_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -68,7 +68,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.SOURCEHUT_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.DISROOT_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -104,7 +104,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.GITEA_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -122,7 +122,7 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.RADICLE_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/npm-bun-blocker.yml b/.github/workflows/npm-bun-blocker.yml
index f0f63e9..58d04f5 100644
--- a/.github/workflows/npm-bun-blocker.yml
+++ b/.github/workflows/npm-bun-blocker.yml
@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Block npm/bun
         run: |
           if [ -f "package-lock.json" ] || [ -f "bun.lockb" ] || [ -f ".npmrc" ]; then
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
index 9ea0c8b..c243614 100644
--- a/.github/workflows/quality.yml
+++ b/.github/workflows/quality.yml
@@ -11,7 +11,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       
       - name: Check file permissions
         run: |
@@ -43,7 +43,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Check documentation
         run: |
           MISSING=""
diff --git a/.github/workflows/rsr-antipattern.yml b/.github/workflows/rsr-antipattern.yml
index 0919eab..5adadcf 100644
--- a/.github/workflows/rsr-antipattern.yml
+++ b/.github/workflows/rsr-antipattern.yml
@@ -22,7 +22,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Check for TypeScript
         run: |
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 6438fc7..2916e81 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -16,7 +16,7 @@ jobs:
       security-events: write
       id-token: write
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index e3578aa..fadf342 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -13,7 +13,7 @@ jobs:
   trufflehog:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0  # Full history for scanning
 
@@ -25,7 +25,7 @@ jobs:
   gitleaks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
         with:
           fetch-depth: 0
 
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     if: hashFiles('**/Cargo.toml') != ''
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
 
       - name: Check for hardcoded secrets in Rust
         run: |
diff --git a/.github/workflows/security-policy.yml b/.github/workflows/security-policy.yml
index 394063e..4de3ac0 100644
--- a/.github/workflows/security-policy.yml
+++ b/.github/workflows/security-policy.yml
@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Security checks
         run: |
           FAILED=false
diff --git a/.github/workflows/ts-blocker.yml b/.github/workflows/ts-blocker.yml
index 0b90d9b..80f72ed 100644
--- a/.github/workflows/ts-blocker.yml
+++ b/.github/workflows/ts-blocker.yml
@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Block new TypeScript/JavaScript
         run: |
           NEW_TS=$(git diff --name-only --diff-filter=A HEAD~1 2>/dev/null | grep -E '\.(ts|tsx)$' | grep -v '\.gen\.' || true)
diff --git a/.github/workflows/wellknown-enforcement.yml b/.github/workflows/wellknown-enforcement.yml
index 84f0768..0afbfc8 100644
--- a/.github/workflows/wellknown-enforcement.yml
+++ b/.github/workflows/wellknown-enforcement.yml
@@ -23,7 +23,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       
       - name: RFC 9116 security.txt validation
         run: |
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index f2beab8..040d798 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Check SPDX Headers
         run: |
@@ -72,7 +72,7 @@ jobs:
             echo "$unpinned"
             echo ""
             echo "Replace version tags with SHA pins, e.g.:"
-            echo "  uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1"
+            echo "  uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4.1.1"
             exit 1
           fi
           echo "All actions are SHA-pinned"