diff --git a/requirements.txt b/requirements.txt
index ae6a4b5..02f8478 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ attrs==18.2.0
 autopep8==1.4.3
 backcall==0.1.0
 bitcoin-ecc==0.0.1
-bleach==3.1.0
+bleach==3.3.0
 certifi==2018.11.29
 chardet==3.0.4
 colorama==0.4.1