diff --git a/.github/workflows/test-builds.yml b/.github/workflows/test-builds.yml
index 057fa8b75f..7c62b5af6c 100644
--- a/.github/workflows/test-builds.yml
+++ b/.github/workflows/test-builds.yml
@@ -9,6 +9,7 @@ on:
   pull_request:
     branches:
     - bugfix-2.1.x
+    - 2.1.x
     paths-ignore:
     - config/**
     - data/**
@@ -17,6 +18,7 @@ on:
   push:
     branches:
     - bugfix-2.1.x
+    - 2.1.x
     paths-ignore:
     - config/**
     - data/**