diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 28491c7..60ccc1d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,8 +13,8 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-            #- macos-latest
-            #- windows-latest
+          - macos-latest
+          - windows-latest
         ocaml-compiler:
           - 4.03.x
           - 4.12.x