diff --git a/.github/workflows/formatting.yml b/.github/workflows/formatting.yml
index 0825a130a8..384f67509a 100644
--- a/.github/workflows/formatting.yml
+++ b/.github/workflows/formatting.yml
@@ -3,9 +3,9 @@ name: formatting
 
 on:
   push:
-    branches: [ main, dev ]
+    branches: [ main, dev, 2.x ]
   pull_request:
-    branches: [ main, dev ]
+    branches: [ main, dev, 2.x ]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}