diff --git a/.github/workflows/claude-pr-review.yml b/.github/workflows/claude-pr-review.yml
index 7c63bbb..e2794ba 100644
--- a/.github/workflows/claude-pr-review.yml
+++ b/.github/workflows/claude-pr-review.yml
@@ -35,12 +35,12 @@ jobs:
           persist-credentials: false
 
       - name: Setup Node.js
-        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version-file: ".nvmrc"
 
       - name: Cache npm tools
-        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         id: claude-pr-review-npm-tools-cache
         with:
           path: ~/.npm
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index e1bacf8..78e6de0 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -59,12 +59,12 @@ jobs:
           fetch-depth: 20
 
       - name: Setup Node.js
-        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version-file: ".nvmrc"
 
       - name: Cache npm tools
-        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         id: at-claude-npm-tools-cache
         with:
           path: ~/.npm
diff --git a/.github/workflows/links.yml b/.github/workflows/links.yml
index 43cd900..a538b51 100644
--- a/.github/workflows/links.yml
+++ b/.github/workflows/links.yml
@@ -38,7 +38,7 @@ jobs:
       # Split restore/save pattern ensures cache is saved even on failure
       - name: Restore lychee cache
         id: restore-cache
-        uses: actions/cache/restore@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: .lycheecache
           key: cache-lychee-v1
@@ -58,7 +58,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Save lychee cache
-        uses: actions/cache/save@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         if: always()
         with:
           path: .lycheecache