diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index e38c88a56..9a3b10375 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -18,7 +18,8 @@ env:
   COREPACK_NPM_REGISTRY: "https://registry.npmmirror.com"
 
 concurrency:
-  group: deploy-pipeline
+  # Group by target environment: new RC cancels old RC, but doesn't cancel Prod.
+  group: ${{ github.workflow }}-${{ github.ref_type == 'tag' && (contains(github.ref_name, '-') && 'staging' || 'production') || (github.ref_name == 'main' && 'testing' || format('branch-{0}', github.ref_name)) }}
   cancel-in-progress: true
 
 jobs: