diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ff2052c..23da93a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,8 +3,6 @@ name: build
 on:
   pull_request:
   push:
-    branches:
-      - master
 
 jobs:
   lint:
@@ -24,7 +22,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.9, 3.10, 3.11]
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v2.3.2
       - name: Set up Python ${{ matrix.python-version }}