diff --git a/spark-tensorflow/trainer/requirements.txt b/spark-tensorflow/trainer/requirements.txt
index 3ec32ea1..97f420eb 100644
--- a/spark-tensorflow/trainer/requirements.txt
+++ b/spark-tensorflow/trainer/requirements.txt
@@ -1,7 +1,7 @@
 backports.weakref==1.0rc1
 funcsigs==1.0.2
 html5lib==0.9999999
-Markdown==2.2.0
+Markdown==3.8.1
 mock==2.0.0
 numpy==1.13.0
 pbr==3.0.1