diff --git a/.github/workflows/RenderAllDiagrams.yml b/.github/workflows/RenderAllDiagrams.yml
index 0b940e5..8ac9b37 100644
--- a/.github/workflows/RenderAllDiagrams.yml
+++ b/.github/workflows/RenderAllDiagrams.yml
@@ -5,6 +5,8 @@ on:
     paths:
     - '**/Material/imgsrc/**/*.puml'
     - '**/Material/imgsrc/**/*.drawio'
+    branches-ignore:
+    - main**
   
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: