diff --git a/requirements.txt b/requirements.txt
index 923bcb0..adec22c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ azure-datalake-store==0.0.31
 azure-nspkg==2.0.0
 Babel==2.6.0
 backcall==0.1.0
-bleach==2.1.4
+bleach==3.3.0
 boto3==1.9.6
 botocore==1.12.6
 cachetools==2.1.0