diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 214a7ff4..f4d192ab 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,7 +5,8 @@ jobs:
     name: Build
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest, windows-latest]
+        #os: [macos-latest, ubuntu-latest, windows-latest]
+        os: [macos-latest, ubuntu-latest]
         ocaml: [ '4.08.0', '4.03.0', '4.11.0' ]
     runs-on: ${{ matrix.os }}
     steps: