diff --git a/requirements.txt b/requirements.txt
index 8a3c8b9cf..e860baedd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ scikit-learn==0.19.1
 scipy==1.0.0
 jsonschema==2.6.0
 numpy==1.14.0
-TA-Lib==0.4.14
+TA-Lib==0.4.15
 pytest==3.3.2
 pytest-mock==1.6.3
 pytest-cov==2.5.1