diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index eae00cb..87f94b0 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout repository'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
       - name: 'Dependency Review'
diff --git a/.github/workflows/install-matrix.yml b/.github/workflows/install-matrix.yml
index a2a9c48..d6d8af8 100644
--- a/.github/workflows/install-matrix.yml
+++ b/.github/workflows/install-matrix.yml
@@ -40,7 +40,7 @@ jobs:
           - fallback
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
@@ -82,7 +82,7 @@ jobs:
           - '3.12'
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
@@ -125,7 +125,7 @@ jobs:
     continue-on-error: true
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
index 3e37b10..0dd03bd 100644
--- a/.github/workflows/sonarcloud.yml
+++ b/.github/workflows/sonarcloud.yml
@@ -17,7 +17,7 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           fetch-depth: 0
           persist-credentials: false