diff --git a/.github/workflows/build_slim_packages.yaml b/.github/workflows/build_slim_packages.yaml
index 692e4a987..64704b39c 100644
--- a/.github/workflows/build_slim_packages.yaml
+++ b/.github/workflows/build_slim_packages.yaml
@@ -8,6 +8,7 @@ on:
   push:
     branches:
       - master
+      - release-50
   pull_request:
     # GitHub pull_request action is by default triggered when
     # opened reopened or synchronize,