diff --git a/setup.cfg b/setup.cfg
index c5fcaa5..cbc7681 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -24,16 +24,19 @@ classifiers =
     Programming Language :: Python :: 3.12
 keywords = xlsx, excel, streaming
 platform = any
-packages =
-    docs,
-    tests,
 
 
 [options]
+packages = find:
 python_requires = >= 3.8
 install_requires =
     zipstream>=1.1.3
 
+[options.packages.find]
+exclude =
+    tests*
+    docs*
+
 [build-system]
 requires = ["setuptools"]