diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index dc25230..1670f32 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup Haskell
       id: setup-haskell
@@ -99,7 +99,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Pages
         uses: actions/configure-pages@v5
diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 6a1d914..0279c15 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup Haskell
       id: setup-haskell
@@ -132,7 +132,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Install system dependencies (apt-get)
       run: |
@@ -194,7 +194,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Install system dependencies (apt-get)
       run: |
@@ -251,7 +251,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup Haskell
       id: setup-haskell