diff --git a/requirements-common.txt b/requirements-common.txt
index 675a28d6a..f03a90927 100644
--- a/requirements-common.txt
+++ b/requirements-common.txt
@@ -8,7 +8,7 @@ cachetools==3.1.1
 requests==2.22.0
 urllib3==1.24.2  # pyup: ignore
 wrapt==1.11.2
-scikit-learn==0.21.2
+scikit-learn==0.21.3
 joblib==0.13.2
 jsonschema==3.0.1
 TA-Lib==0.4.17