diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2b5d8cb..fe87e65 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ autoprotocol==6.1.0
 Babel==2.7.0
 backcall==0.1.0
 billiard==3.6.1.0
-bleach==3.1.0
+bleach==3.3.0
 bump2version==0.5.11
 cached-property==1.5.1
 celery==4.3.0