diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 4514b9d..5a2b4e3 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup Haskell
       id: setup-haskell
@@ -99,7 +99,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Pages
         uses: actions/configure-pages@v3