diff --git a/package.json b/package.json
index 28fd5f3..afa3ae5 100644
--- a/package.json
+++ b/package.json
@@ -42,5 +42,6 @@
     "s-009": "tt-cli run 009 --solution",
     "e-010": "tt-cli run 010",
     "s-010": "tt-cli run 010 --solution"
-  }
+  },
+  "type": "module"
 }