diff --git a/setup.py b/setup.py
index c6a8211db0..1deb0ca249 100644
--- a/setup.py
+++ b/setup.py
@@ -411,6 +411,7 @@ def setup_package():
         "neuron",
         "neuron.neuroml",
         "neuron.tests",
+        "neuron.tests.utils",
         "neuron.rxd",
         "neuron.crxd",
         "neuron.gui2",