diff --git a/requirements.txt b/requirements.txt
index bc13729..e46fe46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ XlsxWriter==1.0.8
 # aiohttp 3.5.2+ breaks the tests: https://github.com/aio-libs/aiohttp/issues/3968
 aiohttp==3.5.1
 aiohttp_cors==0.7.0
-bleach==2.1.3
+bleach==3.3.0
 bs4
 html2text==2018.1.9