diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a0a9947a..aa170f7fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ on:
   pull_request:
   push:
     branches:
-      - 'sdf[0-9]?'
+      - 'sdf[1-9]?[0-9]'
       - 'main'
 
 jobs: