diff --git a/.github/workflows/georchestra-gn4.yml b/.github/workflows/georchestra-gn4.yml
index bad44e2126..de63a0d9db 100644
--- a/.github/workflows/georchestra-gn4.yml
+++ b/.github/workflows/georchestra-gn4.yml
@@ -17,16 +17,16 @@ jobs:
     timeout-minutes: 40
     steps:
     - name: "Checking out"
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v4
       with:
         submodules: 'recursive'
 
     - name: "Checking out geOrchestra (needed for building dependencies)"
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v4
       with:
         repository: "georchestra/georchestra"
         path: "georchestra"
-        branch: "23.0.x"
+        ref: "23.0.x"
 
     - name: "Setting up Java"
       uses: actions/setup-java@v2