diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 972c049..e54ee93 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,8 +5,8 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ ubuntu-latest ]
-        # os: [ ubuntu-latest, macos-latest, windows-latest ]
+        # os: [ ubuntu-latest ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
     runs-on: ${{ matrix.os }}
     steps:
       - name: checkout
@@ -32,8 +32,8 @@ jobs:
   test:
     strategy:
       matrix:
-        os: [ ubuntu-latest ]
-        # os: [ ubuntu-latest, macos-latest, windows-latest ]
+        # os: [ ubuntu-latest ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
     runs-on: ${{ matrix.os }}
     if: ${{ github.ref_name }} == "main"
     steps: