diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 60c4d39..161d6b6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,10 +57,7 @@ jobs:
       fail-fast: true
       matrix:
         node:
-          - 18
           - 20
         os:
           - ubuntu-latest
-          - windows-latest
-          - macos-latest
       max-parallel: 1