diff --git a/pyproject.toml b/pyproject.toml
index 6fbf578..cad24ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ Issues = "https://github.com/avalentino/bpack/issues"
 
 
 [tool.setuptools]
-packages = ["bpack", "bpack.tests", "bpack.tests.data"]
+packages = ["bpack", "bpack.tools", "bpack.tests", "bpack.tests.data"]
 # zip-safe = true
 # license-files = ["LICENSE"]