diff --git a/pyproject.toml b/pyproject.toml
index 532e08f..cd7324e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,12 +39,11 @@ testing = ["pytest"]
 [project.scripts]
 pykdebugparser = "pykdebugparser.__main__:cli"
 
-
-[tool.setuptools.packages]
-find = {}
+[tool.setuptools.packages.find]
+exclude = ["tests*"]
 
 [tool.setuptools.package-data]
 pykdebugparser = ["*.txt", "*.TXT", "*.codes"]
 
 [tool.distutils.bdist_wheel]
-universal = true
\ No newline at end of file
+universal = true