diff --git a/requirements.txt b/requirements.txt
index 1dc8b4d..1f74f3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ backports-abc==0.5
 backports.functools-lru-cache==1.5
 backports.shutil-get-terminal-size==1.0.0
 beautifulsoup4==4.6.0
-bleach==2.1.2
+bleach==3.3.0
 certifi==2018.8.24
 chardet==3.0.4
 CherryPy==8.9.1