diff --git a/.github/workflows/publish-geml.yaml b/.github/workflows/publish-geml.yaml
index 10a86e2..44e6845 100644
--- a/.github/workflows/publish-geml.yaml
+++ b/.github/workflows/publish-geml.yaml
@@ -12,11 +12,11 @@ name: Ruby Gem
 on:
   # Manually publish
   workflow_dispatch:
-  # Alternatively, publish whenever changes are merged to the `master` branch.
+  # Alternatively, publish whenever changes are merged to the `main` branch.
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
@@ -43,4 +43,4 @@ jobs:
           gem build *.gemspec
           gem push *.gem
         env:
-          GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_API_KEY}}"
\ No newline at end of file
+          GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_API_KEY}}"