diff --git a/.github/workflows/master_deploy_doxygen.yml b/.github/workflows/master_deploy_doxygen.yml
index e2fa349b94..c4a80ce55b 100644
--- a/.github/workflows/master_deploy_doxygen.yml
+++ b/.github/workflows/master_deploy_doxygen.yml
@@ -29,7 +29,7 @@ jobs:
         doxygen Doxyfile
 
     - name: Deploy Doxygen
-      uses: SamKirkland/FTP-Deploy-Action@4.3.4
+      uses: SamKirkland/FTP-Deploy-Action@v4.3.4
       with:
         server: www531.your-server.de
         username: ${{ secrets.GHA_HETZNER_DOXYGEN_FTP_USER }}