diff --git a/requirements.txt b/requirements.txt
index 0b563ca..db10adb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 backcall==0.1.0
-bleach==3.1.4
+bleach==3.3.0
 cloudpickle==0.6.1
 cycler==0.10.0
 dask==1.0.0