diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8f91ee6..e65b916 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-20.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     timeout-minutes: 360
     env:
diff --git a/update.js b/update.js
index e29d7bd..359aaa8 100644
--- a/update.js
+++ b/update.js
@@ -1,5 +1,4 @@
 const fs = require('fs');
-const os = require('os');
 
 const packageJsonOpenLens = require('./lens/open-lens/package.json');
 
@@ -12,8 +11,6 @@ packageJsonOpenLens.version = `${packageJsonOpenLens.version}-${process.env.BUIL
 packageJsonOpenLens.build.npmRebuild = true;
 packageJsonOpenLens.build.detectUpdateChannel = false;
 
-delete packageJsonOpenLens.scripts.postinstall;
-
 packageJsonOpenLens.copyright = [
     packageJsonOpenLens.copyright,
     '',