diff --git a/requirements.txt b/requirements.txt
index 8bd1509..e0d112b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ bandit==1.6.2
 beautifulsoup4==4.8.2
 bidict==0.18.3
 black==19.3b0
-bleach==3.1.0
+bleach==3.3.0
 bumpversion==0.5.3
 certifi==2019.6.16
 cftime==1.1.0