diff --git a/README.md b/README.md
index 2d23955..301b1d9 100644
--- a/README.md
+++ b/README.md
@@ -157,6 +157,7 @@ Steps required to define a _environmental_ project resources; At first, it might
 
     ```ts
     // lib/environment.ts
+    import { Construct } from 'constructs';
     import { EnvironmentWrapper } from '@alma-cdk/project';
     import { MyStack } from './my-stack';