diff --git a/requirements.txt b/requirements.txt
index 2263cc1..65d890b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ attrdict==2.0.0
 attrs==18.2.0
 backcall==0.1.0
 bitcoin==1.1.42
-bleach==3.0.2
+bleach==3.1.1
 certifi==2018.11.29
 cffi==1.11.5
 chardet==3.0.4