diff --git a/code/NPI/pytorch/requirements.txt b/code/NPI/pytorch/requirements.txt
index ac78cdd..adeea77 100644
--- a/code/NPI/pytorch/requirements.txt
+++ b/code/NPI/pytorch/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.3.0
 asn1crypto==0.24.0
 astor==0.7.1
 backports.weakref==1.0.post1
-bleach==1.5.0
+bleach==3.1.4
 boto==2.49.0
 boto3==1.7.70
 botocore==1.10.70