diff --git a/cmd/suggestion/skopt/v1alpha3/requirements.txt b/cmd/suggestion/skopt/v1alpha3/requirements.txt
index 26750810dbb..c1c5feb8f48 100644
--- a/cmd/suggestion/skopt/v1alpha3/requirements.txt
+++ b/cmd/suggestion/skopt/v1alpha3/requirements.txt
@@ -2,9 +2,9 @@ grpcio==1.23.0
 duecredit===0.7.0
 cloudpickle==0.5.6
 numpy>=1.13.3
-scikit-learn>=0.19.0
+scikit-learn>=0.21.3
 scipy>=0.19.1
 forestci==0.3
 protobuf==3.9.1
 googleapis-common-protos==1.6.0
-scikit-optimize==0.5.2
+scikit-optimize==0.7.4