diff --git a/requirements.txt b/requirements.txt
index 5689b12..85cde47 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 anaconda-client==1.6.3
 backports-abc==0.5
-bleach==1.5.0
+bleach==3.1.4
 Box2D-kengz==2.3.3
 certifi==2018.1.18
 cffi==1.11.4