diff --git a/.github/workflows/external-data-checker.yml b/.github/workflows/external-data-checker.yml
index 19c673d..89848ca 100644
--- a/.github/workflows/external-data-checker.yml
+++ b/.github/workflows/external-data-checker.yml
@@ -5,6 +5,10 @@ on:
 
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
   flathub-data-checker-global:
     runs-on: ubuntu-latest