diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 2036296..9138b8b 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -12,6 +12,10 @@ on:
     types:
       - checks_requested
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
+
 env:
   PY_LINT_CFG: ".flake8"
   LINT_REPORT_FILE: "lint-report"