diff --git a/python-scikit-learn.spec b/python-scikit-learn.spec
index 2b3c2ec..818fd63 100644
--- a/python-scikit-learn.spec
+++ b/python-scikit-learn.spec
@@ -37,7 +37,7 @@ efficient, accessible to everybody, and reusable in various contexts.
 Summary: Machine learning in Python
 BuildRequires: python3-devel python3-nose
 BuildRequires: python3-numpy python3-scipy python3-matplotlib
-BuildRequires: python3-six
+BuildRequires: python3-six python3-joblib
 BuildRequires: atlas-devel blas-devel
 Requires: python3-numpy python3-scipy