diff --git a/.github/workflows/calibreapp-image-actions.yml b/.github/workflows/calibreapp-image-actions.yml
index 6597488a3..ce909099f 100644
--- a/.github/workflows/calibreapp-image-actions.yml
+++ b/.github/workflows/calibreapp-image-actions.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.0.0
 
       - name: Compress Images
         uses: calibreapp/image-actions@1.1.0 # TODO: if they start using a tag like v1, switch to that
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d878da1f7..79d7dd42e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.6.0
+      - uses: actions/checkout@v4.0.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 5fec3ce17..a7ecb25c3 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
     -
       name: Checkout repository
-      uses: actions/checkout@v3.6.0
+      uses: actions/checkout@v4.0.0
     -
       name: Spell-Checking
       uses: codespell-project/actions-codespell@master
diff --git a/.github/workflows/editorconfig-checker.yml b/.github/workflows/editorconfig-checker.yml
index 4357620c2..c7436e43d 100644
--- a/.github/workflows/editorconfig-checker.yml
+++ b/.github/workflows/editorconfig-checker.yml
@@ -9,6 +9,6 @@ jobs:
     name: editorconfig-checker
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.6.0
+      - uses: actions/checkout@v4.0.0
       - uses: editorconfig-checker/action-editorconfig-checker@main
       - run: editorconfig-checker --exclude MathJax-es5