diff --git a/setup.py b/setup.py
index 9bb55d4..be7e221 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
         'scipy==1.2.1',
         'matplotlib>=2.1.0',
         'seaborn>=0.8.1',
-        'scikit-learn>=0.19.1',
+        'scikit-learn==0.19.1',
     ],
     packages=find_packages(exclude=('tests', 'docs')),
 )