diff --git a/package.json b/package.json
index a23f9f450..7c571acdd 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "scripts": {
     "build:hooks": "node scripts/build-hooks.js",
     "prepublishOnly": "npm run build:hooks",
-    "test": "node --test tests/*.test.cjs",
-    "test:coverage": "c8 --check-coverage --lines 70 --reporter text --include 'get-shit-done/bin/lib/*.cjs' --exclude 'tests/**' --all node --test tests/*.test.cjs"
+    "test": "node scripts/run-tests.cjs",
+    "test:coverage": "c8 --check-coverage --lines 70 --reporter text --include 'get-shit-done/bin/lib/*.cjs' --exclude 'tests/**' --all node scripts/run-tests.cjs"
   }
 }
diff --git a/scripts/run-tests.cjs b/scripts/run-tests.cjs
new file mode 100644
index 000000000..a771e2a30
--- /dev/null
+++ b/scripts/run-tests.cjs
@@ -0,0 +1,25 @@
+#!/usr/bin/env node
+// Cross-platform test runner — resolves test file globs via Node
+// instead of relying on shell expansion (which fails on Windows PowerShell/cmd).
+'use strict';
+
+const { readdirSync } = require('fs');
+const { join } = require('path');
+const { execFileSync } = require('child_process');
+
+const testDir = join(__dirname, '..', 'tests');
+const files = readdirSync(testDir)
+  .filter(f => f.endsWith('.test.cjs'))
+  .sort()
+  .map(f => join('tests', f));
+
+if (files.length === 0) {
+  console.error('No test files found in tests/');
+  process.exit(1);
+}
+
+try {
+  execFileSync(process.execPath, ['--test', ...files], { stdio: 'inherit' });
+} catch (err) {
+  process.exit(err.status || 1);
+}