diff --git a/.github/workflows/cflite_batch.yml b/.github/workflows/cflite_batch.yml
index 2291e95..e0f4580 100644
--- a/.github/workflows/cflite_batch.yml
+++ b/.github/workflows/cflite_batch.yml
@@ -9,7 +9,7 @@ jobs:
   batch-fuzzing:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
       - uses: google/clusterfuzzlite/actions/build_fuzzers@884713a6c30a92e5e8544c39945cd7cb630abcd1 # v1
         with:
           language: rust
diff --git a/.github/workflows/cflite_pr.yml b/.github/workflows/cflite_pr.yml
index 32ac64b..c35b080 100644
--- a/.github/workflows/cflite_pr.yml
+++ b/.github/workflows/cflite_pr.yml
@@ -11,7 +11,7 @@ jobs:
   pr-fuzzing:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
         with:
           fetch-depth: 0
       - uses: google/clusterfuzzlite/actions/build_fuzzers@884713a6c30a92e5e8544c39945cd7cb630abcd1 # v1
diff --git a/.github/workflows/hypatia-scan-template.yml b/.github/workflows/hypatia-scan-template.yml
index f2bf132..5158103 100644
--- a/.github/workflows/hypatia-scan-template.yml
+++ b/.github/workflows/hypatia-scan-template.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
         with:
           fetch-depth: 0  # Full history for better pattern analysis
 
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index f2bf132..5158103 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
         with:
           fetch-depth: 0  # Full history for better pattern analysis
 
diff --git a/.github/workflows/stress-test.yml b/.github/workflows/stress-test.yml
index a85f03d..d450cd9 100644
--- a/.github/workflows/stress-test.yml
+++ b/.github/workflows/stress-test.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable