diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 286e5db..f093f31 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -2,9 +2,12 @@ name: pre-commit
 on:
   pull_request:
   push:
+    branches: [master]
 jobs:
   pre-commit:
     runs-on: ubuntu-latest
+    env:
+      SKIP: no-commit-to-branch
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2