diff --git a/.github/workflows/doxygen.yml b/.github/workflows/doxygen.yml
index ea75b49..073a0bc 100644
--- a/.github/workflows/doxygen.yml
+++ b/.github/workflows/doxygen.yml
@@ -13,7 +13,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y doxygen
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Generate docs
         run: doxygen Doxyfile