diff --git a/requirements.txt b/requirements.txt
index 9c4aba2..2e3925a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astor==0.7.1
 atomicwrites==1.2.1
 attrs==18.2.0
 backcall==0.1.0
-bleach==1.5.0
+bleach==3.1.2
 box2d-py==2.3.8
 certifi==2018.11.29
 chardet==3.0.4