diff --git a/pyproject.toml b/pyproject.toml
index d861cc24f..0519b3163 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,6 +72,7 @@ test = [
 ]
 
 [tool.setuptools]
+packages = ["bitsandbytes"]
 package-data = { "*" = ["libbitsandbytes*.*"] }
 
 [tool.setuptools.dynamic]