diff --git a/notebooks/requirements.txt b/notebooks/requirements.txt
index b82a389..f36bc3a 100644
--- a/notebooks/requirements.txt
+++ b/notebooks/requirements.txt
@@ -34,7 +34,7 @@ beautifulsoup4==4.8.0
 billiard==3.6.3.0
 bitarray==0.9.3
 bkcharts==0.2
-bleach==3.1.0
+bleach==3.1.4
 blis==0.4.1
 bokeh==1.2.0
 boto==2.49.0