diff --git a/setup.cfg b/setup.cfg
index 00e8c1d..cb9d1ac 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -35,6 +35,7 @@ install_requires =
     etelemetry
     numpy >= 1.16.5
     ontquery ~= 0.2.3
+    pyontutils
     pandas
     pyarrow
     patsy