diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a6cd47..2351a48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,10 +1,10 @@
 name: CI
 
-# Trigger the workflow on push or pull request, but only for the master branch
+# Trigger the workflow on push or pull request, but only for the main branch
 on:
   pull_request:
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   cabal:
@@ -32,7 +32,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
 
     - uses: actions/setup-haskell@v1.1
       id: setup-haskell-cabal
@@ -66,7 +66,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
 
     - uses: actions/setup-haskell@v1.1
       name: Setup Haskell Stack