diff --git a/pyproject.toml b/pyproject.toml
index 7eff399..0c7e143 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,6 +3,9 @@ name = "discoursio-inbox"
 version = "0.3.2"
 description = "Inbox server for discours.io"
 authors = ["Tony Rewin <anton.rewin@gmail.com>"]
+packages = [
+    { include = "inbox" }
+]
 
 [tool.poetry.dependencies]
 python = "^3.12"