diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6962382d..e496cb1e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,6 +4,7 @@ scikit-learn>=0.18.2
 scikit-optimize>=0.4
 pandas>=0.22
 h5py>=2.7
+pygmo>=2.7
 psycopg2-binary>=2.7
 docopt>=0.6.0
 joblib>=0.9.4