diff --git a/requirements.txt b/requirements.txt
index c0fd206..b342d1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ autopep8==1.4.3
 auxlib==0.0.42
 basemap==1.2.0
 beautifulsoup4==4.7.1
-bleach==3.1.4
+bleach==3.3.0
 branca==0.3.1
 cachetools==3.0.0
 certifi==2018.10.15