diff --git a/requirements.txt b/requirements.txt
index 8bf88cb5..42cb3e00 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ xgboost==0.80
 tpot==0.11.0
 skrebate==0.6
 pyyaml==5.1.2
+scikit-learn==0.22.2
 
 # Also requirements of matminer
 # numpy