diff --git a/.changeset/calm-clocks-add.md b/.changeset/calm-clocks-add.md
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+---
+"@latticexyz/world": major
+"@latticexyz/world-modules": major
+---
+
+Refactored `InstalledModules` to key modules by addresses instead of pre-defined names. Previously, modules could report arbitrary names, meaning misconfigured modules could be installed under a name intended for another module.