diff --git a/requirements.dev.txt b/requirements.dev.txt
index f407b15..9e8933e 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,5 +1,5 @@
 astroid==2.2.5
-bleach==3.1.0
+bleach==3.3.0
 boto3==1.9.224
 botocore==1.12.224
 certifi==2019.6.16