diff --git a/.github/workflows/comment-rebase.yml b/.github/workflows/comment-rebase.yml
index 9e2d7fa..aef09b4 100644
--- a/.github/workflows/comment-rebase.yml
+++ b/.github/workflows/comment-rebase.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
diff --git a/.github/workflows/test-sh.yml b/.github/workflows/test-sh.yml
index c5b854d..4bc3018 100644
--- a/.github/workflows/test-sh.yml
+++ b/.github/workflows/test-sh.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: ☑️ ShellCheck
         uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38
         with:
@@ -28,7 +28,7 @@ jobs:
     needs: [shellcheck]
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: ⚙️ Prepare
         run: |
           sudo apt-get update
diff --git a/.github/workflows/zsh-n.yml b/.github/workflows/zsh-n.yml
index 9ff5e6a..abc2ab6 100644
--- a/.github/workflows/zsh-n.yml
+++ b/.github/workflows/zsh-n.yml
@@ -22,7 +22,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: "⚡ Set matrix output"
         id: set-matrix
         run: |
@@ -37,7 +37,7 @@ jobs:
       matrix: ${{ fromJSON(needs.zsh-matrix.outputs.matrix) }}
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: "⚡ Install dependencies"
         run: sudo apt update && sudo apt-get install -yq zsh
       - name: "⚡ zsh -n: ${{ matrix.file }}"