diff --git a/.github/workflows/githubci.yml b/.github/workflows/githubci.yml
index 68b4f7f..b3686dd 100644
--- a/.github/workflows/githubci.yml
+++ b/.github/workflows/githubci.yml
@@ -1,13 +1,18 @@
 name: Build
 
 on:
+  workflow_dispatch:
   pull_request:
   push:
-  repository_dispatch:
+    branches: [ master ]
   release:
     types:
       - created
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   set-matrix:
     runs-on: ubuntu-latest