diff --git a/requirements.txt b/requirements.txt
index 68a4c4f..c7d3d05 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 absl-py==0.7.1
-bleach==1.5.0
+bleach==3.1.1
 certifi==2018.8.24
 html5lib==0.9999999
 Markdown==3.0.1