diff --git a/.changeset/fair-baboons-compare.md b/.changeset/fair-baboons-compare.md
new file mode 100644
index 0000000000..4e3705afff
--- /dev/null
+++ b/.changeset/fair-baboons-compare.md
@@ -0,0 +1,6 @@
+---
+"@latticexyz/store": patch
+"@latticexyz/world": patch
+---
+
+Fixed an issue where `mud.config.ts` source file was not included in the package, causing TS errors downstream.
diff --git a/packages/store/.npmignore b/packages/store/.npmignore
index bf5a89e600..9259405fa5 100644
--- a/packages/store/.npmignore
+++ b/packages/store/.npmignore
@@ -5,6 +5,7 @@
 !out/**/*.abi.json.d.ts
 !src/**
 !ts/**
+!mud.config.ts
 !package.json
 !README.md
 !dist/**
diff --git a/packages/world/.npmignore b/packages/world/.npmignore
index 97e2f21b8a..8d0269c6e7 100644
--- a/packages/world/.npmignore
+++ b/packages/world/.npmignore
@@ -6,6 +6,7 @@
 !src/**
 !test/MudTest.t.sol
 !ts/**
+!mud.config.ts
 !package.json
 !README.md
 !dist/**