diff --git a/.github/workflows/publish_master.yml b/.github/workflows/publish_master.yml
index 7e2ebd8..f38f0de 100644
--- a/.github/workflows/publish_master.yml
+++ b/.github/workflows/publish_master.yml
@@ -13,7 +13,7 @@ jobs:
     name: Publish master image
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build
       run: |
         GITHUB_REPOSITORY_LC=$(echo "${GITHUB_REPOSITORY}" | tr [A-Z] [a-z])
diff --git a/.github/workflows/publish_stable.yml b/.github/workflows/publish_stable.yml
index 18283fc..4aabefa 100644
--- a/.github/workflows/publish_stable.yml
+++ b/.github/workflows/publish_stable.yml
@@ -10,7 +10,7 @@ jobs:
     name: Publish stable image
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build
       run: |
         GITHUB_REPOSITORY_LC=$(echo "${GITHUB_REPOSITORY}" | tr [A-Z] [a-z])
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 554eafe..3c8f25b 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -48,7 +48,7 @@ jobs:
     name: Test run action
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./
       with:
         path: test/testdata
@@ -58,7 +58,7 @@ jobs:
     name: Check for spelling errors
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./
       with:
         check_filenames: true
@@ -86,7 +86,7 @@ jobs:
         include:
           - codespell_pip_version: 'git+https://github.com/codespell-project/codespell.git'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
       - run: pip3 --quiet --quiet install ${{ matrix.codespell_pip_version }}