diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6cd0c5..8716e42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ name: CI
 on:
   push:
     branches:
-      - master
+      - main
       - 'v[0-9]*'
     tags:
       - 'v[0-9]*'
@@ -18,10 +18,7 @@ jobs:
     strategy:
       matrix:
         python_version: ["3.9", "3.10", "3.11", "3.12"]
-        os: [ubuntu-latest, windows-latest, macos-14]
-        exclude:
-          - os: macos-14
-            python_version: "3.9"
+        os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4