diff --git a/.github/workflows/rebase.yml b/.github/workflows/rebase.yml
index ad7b8652..72c4a508 100644
--- a/.github/workflows/rebase.yml
+++ b/.github/workflows/rebase.yml
@@ -15,7 +15,7 @@ jobs:
       )
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
diff --git a/.github/workflows/zsh-n.yml b/.github/workflows/zsh-n.yml
index d3ae47b7..718f6087 100644
--- a/.github/workflows/zsh-n.yml
+++ b/.github/workflows/zsh-n.yml
@@ -28,7 +28,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: "Set matrix output"
         id: set-matrix
         run: |
@@ -44,7 +44,7 @@ jobs:
       matrix: ${{ fromJSON(needs.zsh-matrix.outputs.matrix) }}
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: "⚡ Install dependencies"
         run: sudo apt update && sudo apt-get install -yq zsh
       - name: "⚡ zsh -n: ${{ matrix.file }}"
diff --git a/.github/workflows/zunit.yml b/.github/workflows/zunit.yml
index 405728bd..6377494d 100644
--- a/.github/workflows/zunit.yml
+++ b/.github/workflows/zunit.yml
@@ -21,7 +21,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           repository: "z-shell/zd"
@@ -46,7 +46,7 @@ jobs:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "z-shell/zd"
           token: ${{ secrets.GITHUB_TOKEN }}