diff --git a/.github/workflows/ci-pr.yml b/.github/workflows/ci-pr.yml
index d96b208e..68a84865 100644
--- a/.github/workflows/ci-pr.yml
+++ b/.github/workflows/ci-pr.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - 'main'
+      - '1.0.x'
     paths-ignore:
       - '.github/**'