diff --git a/.gitea/workflows/component-conformance.yml b/.gitea/workflows/component-conformance.yml
index 3db33ac..a3fb7cc 100644
--- a/.gitea/workflows/component-conformance.yml
+++ b/.gitea/workflows/component-conformance.yml
@@ -2,12 +2,17 @@ name: Component conformance
 
 on:
   push:
+    branches: [main]
   pull_request:
   workflow_dispatch:
 
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ gitea.workflow }}-${{ gitea.ref }}
+  cancel-in-progress: true
+
 jobs:
   conformance:
     name: Component conformance (blocking)