diff --git a/.github/workflows/Docbuild.yml b/.github/workflows/Docbuild.yml
index 69dcaef..d35e296 100644
--- a/.github/workflows/Docbuild.yml
+++ b/.github/workflows/Docbuild.yml
@@ -18,7 +18,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: julia-actions/setup-julia@v1
         with: