diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ff78a5..41a7cb6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.7", "3.8", "3.12"]
-        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: [ubuntu-latest]
 
         include:
           - python-version: pypy-3.10