diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42f0012..fb8eb3d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,10 +3,10 @@ name: ci
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   ci:
@@ -23,7 +23,7 @@ jobs:
           node-version: ${{ matrix.node }}
 
       - name: checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@main
 
       - name: cache node_modules
         uses: actions/cache@v1