diff --git a/blockchain_datacraw/requirements.txt b/blockchain_datacraw/requirements.txt
index afaa133..af6fb0c 100644
--- a/blockchain_datacraw/requirements.txt
+++ b/blockchain_datacraw/requirements.txt
@@ -12,7 +12,7 @@ beautifulsoup4==4.6.0
 bitarray==0.8.1
 bkcharts==0.2
 blaze==0.11.3
-bleach==2.1.3
+bleach==3.1.4
 bokeh==0.12.16
 boto==2.48.0
 Bottleneck==1.2.1