diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 1abc9ec..fdc694f 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -12,7 +12,7 @@ on:
 jobs:
   build-chain:
     concurrency:
-      group: pull_request-${{ github.head_ref }}
+      group: pull_request-${{ github.head_ref }}-${{ matrix.os }}-${{ matrix.java-version }}
       cancel-in-progress: true
     strategy:
       matrix: