diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1865bf5..5760c29 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,12 +4,13 @@ on:
       - master
   pull_request_target:
     types: [opened, reopened, synchronize]
+  workflow_dispatch:
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
 
     - uses: actions/setup-node@v1
       with: