diff --git a/requirements_dev.txt b/requirements_dev.txt
index 525e767..48e7d56 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,4 +11,4 @@ PyYAML==3.13
 pytest==3.8.2
 numpy==1.15.2
 scipy==1.1.0
-scikit-learn==0.20.0
\ No newline at end of file
+scikit-learn==0.22.1
\ No newline at end of file