diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index deeeffe..4e5bb0d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,8 +12,7 @@ jobs:
     strategy:
       matrix:
         node-version: [lts/*]
-        # windows and particularly macos CI are very expensive on github, so skipping
-        os: [ubuntu-latest] #, macos-latest, windows-latest]
+        os: [ubuntu-latest]
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3