diff --git a/nbconvert/requirements.txt b/nbconvert/requirements.txt
index 532da1b..02c4be5 100644
--- a/nbconvert/requirements.txt
+++ b/nbconvert/requirements.txt
@@ -2,7 +2,7 @@ appnope==0.1.0
 astroid==2.2.5
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.1.4
 cycler==0.10.0
 decorator==4.4.0
 defusedxml==0.6.0