diff --git a/requirements.txt b/requirements.txt
index b1bb14e..05f935a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ astropy==3.2.1
 atomicwrites==1.3.0
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.1.4
 bokeh==1.3.4
 certifi==2019.6.16
 chardet==3.0.4