diff --git a/.github/workflows/XML_lint.yml b/.github/workflows/XML_lint.yml
index 869e96e..f0f74cc 100644
--- a/.github/workflows/XML_lint.yml
+++ b/.github/workflows/XML_lint.yml
@@ -24,5 +24,8 @@ jobs:
         python -m pip install --upgrade pip
         pip install lxml
     
+    - name: XSD-Schema-Validierung
+      run: python Scripts/lint_validation.py
+      
     - name: Verweise prüfen 
       run: python Scripts/lint_verweise.py