diff --git a/requirements.txt b/requirements.txt
index eae43f3..a689aa2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ bcrypt==3.1.7
 beautifulsoup4==4.6.0
 bitarray==0.8.1
 bkcharts==0.2
-bleach==2.1.3
+bleach==3.1.4
 bokeh==1.0.4
 boto==2.48.0
 boto3==1.10.4