diff --git a/requirements.txt b/requirements.txt
index fbf34955..11af1866 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ autopep8==1.3.5
 backcall==0.1.0
 bandit==1.6.2
 betterpath==0.2.2
-bleach==3.1.0
+bleach==3.3.0
 certifi==2018.1.18
 cffi==1.15.0
 charset-normalizer==2.0.12