diff --git a/vitest.config.mjs b/vitest.config.mjs
new file mode 100644
index 0000000..c9af922
--- /dev/null
+++ b/vitest.config.mjs
@@ -0,0 +1,20 @@
+import { defineConfig } from 'vitest/config'
+
+import astroConfig from './astro.config.mjs'
+
+
+const vitestConfig = {
+
+    ...astroConfig,
+
+    // Requires merging in astroConfig.vite
+    ...astroConfig.vite,
+
+    test: {
+        setupFiles: 'tsconfig-paths/register'
+    }
+}
+
+// console.log( 'vitestConfig', vitestConfig )
+
+export default defineConfig( vitestConfig )