diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2be9e249..93fe24a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install software
         run: sudo apt update && sudo apt -y install gawk bats
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 56cc3365..92ee19d3 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install software
         run: sudo apt update && sudo apt -y install gawk bats
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 90970710..8a4b7745 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -7,7 +7,7 @@ jobs:
     name: Run shellcheck on scripts
     runs-on: ubuntu-slim
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: Run shellcheck
         uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38
         with: