diff --git a/predictor-mock/requirements.txt b/predictor-mock/requirements.txt
index 973b047..a0a286f 100644
--- a/predictor-mock/requirements.txt
+++ b/predictor-mock/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.12.2
+Flask==0.12.3
 Flask-RESTful==0.3.6
 jsonschema==2.6.0