diff --git a/requirements.txt b/requirements.txt
index 203b1a0..89a44f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 backports.shutil-get-terminal-size==1.0.0
 backports.weakref==1.0.post1
-bleach==1.5.0
+bleach==3.1.4
 decorator==4.2.1
 enum34==1.1.6
 funcsigs==1.0.2