diff --git a/requirements.txt b/requirements.txt
index e7279d2..3d91a24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 appnope==0.1.0
 backcall==0.1.0
-bleach==3.1.4
+bleach==3.3.0
 certifi==2018.8.24
 chardet==3.0.4
 cloudpickle==0.5.6