diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1470e82..cc099d1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
     # setup and loading cache
     - name: Check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup Haskell
       uses: haskell/actions/setup@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c20209f..21b0632 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Create Release
         id: create_release
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set tag name
         uses: olegtarasov/get-tag@v2.1
@@ -95,7 +95,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set tag name
         uses: olegtarasov/get-tag@v2.1
@@ -160,7 +160,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set tag name
         uses: olegtarasov/get-tag@v2.1
diff --git a/.github/workflows/stylishHaskell.yml b/.github/workflows/stylishHaskell.yml
index 0cd3471..d95080b 100644
--- a/.github/workflows/stylishHaskell.yml
+++ b/.github/workflows/stylishHaskell.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
 
     - name: Check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Install stylish-haskell
       run: |