diff --git a/requirements-common.txt b/requirements-common.txt
index da8b76550..61c753784 100644
--- a/requirements-common.txt
+++ b/requirements-common.txt
@@ -8,7 +8,7 @@ cachetools==3.1.0
 requests==2.21.0
 urllib3==1.24.2  # pyup: ignore
 wrapt==1.11.1
-scikit-learn==0.20.3
+scikit-learn==0.21.0
 joblib==0.13.2
 jsonschema==3.0.1
 TA-Lib==0.4.17