diff --git a/.github/workflows/maven.yaml b/.github/workflows/maven.yaml
index 3ca672a2a..960d530e8 100644
--- a/.github/workflows/maven.yaml
+++ b/.github/workflows/maven.yaml
@@ -1,5 +1,9 @@
 name: WindowBuilder verification build
 
+concurrency: 
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 on:
   push:
     branches:
@@ -7,8 +11,15 @@ on:
   pull_request:
     branches:
       - master
+    types: 
+      - opened
+      - reopened
+      - synchronize
+      - labeled
+
 jobs:
   check-dash-licenses:
+    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'dash-license')
     uses: eclipse-dash/dash-licenses/.github/workflows/mavenLicenseCheck.yml@cbd9bd5d78742d3c9772ace91b129424b418c342 # 1.1.0
     with:
       projectId: tools.windowbuilder