diff --git a/requirements.txt b/requirements.txt
index 9f7fd06..a0bee49 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 backcall==0.1.0
-bleach==2.1.3
+bleach==3.3.0
 cachetools==2.1.0
 certifi==2018.4.16
 chardet==3.0.4