diff --git a/.github/workflows/Update_docs.yml b/.github/workflows/Update_docs.yml
index 2a6c886..7372031 100644
--- a/.github/workflows/Update_docs.yml
+++ b/.github/workflows/Update_docs.yml
@@ -9,7 +9,7 @@ jobs:
         runs-on: ubuntu-latest
         
         steps:
-        - uses: actions/checkout@v3
+        - uses: actions/checkout@v4
 
         - name: Update
           working-directory: ./src/docs