diff --git a/.github/workflows/cla.yml b/.github/workflows/cla.yml
index 66bfb0f15a5..2cb42deff78 100644
--- a/.github/workflows/cla.yml
+++ b/.github/workflows/cla.yml
@@ -1,6 +1,9 @@
 name: CLA Check
 
-on: [pull_request]
+on:
+  pull_request:
+    branches-ignore:
+      - 'ubuntu/**'
 
 jobs:
   cla-check: