diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ecb370cb9..26643d8ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,8 +16,7 @@ jobs:
   build:
     strategy:
       matrix:
-        # os: [windows-latest, macos-latest, ubuntu-latest]
-        os: [windows-latest, ubuntu-latest]
+        os: [windows-latest, macos-latest, ubuntu-latest]
         deno: [v1.x, v2.x, canary]
 
     name: Deno ${{ matrix.deno }} on ${{ matrix.os }}