diff --git a/packages/world/.npmignore b/packages/world/.npmignore
index 6a148ace5b..fcbdac2c99 100644
--- a/packages/world/.npmignore
+++ b/packages/world/.npmignore
@@ -3,6 +3,7 @@
 !out/**/*.abi.json
 !out/**/*.abi.json.d.ts
 !src/**
+!test/MudTest.t.sol
 !ts/**
 !package.json
 !README.md