diff --git a/requirements.txt b/requirements.txt
index adbb767..54de6f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.2
+bleach==3.3.0
 certifi==2019.9.11
 cloudpickle==1.2.2
 cycler==0.10.0