diff --git a/python/setup.cfg b/python/setup.cfg
index 30107fd10..bdc7cbb52 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -15,7 +15,9 @@ classifiers =
     Operating System :: OS Independent
 
 [options]
-packages = damask
+packages =
+      damask
+      damask.solver
 include_package_data = true
 python_requires = >= 3.8
 install_requires =