diff --git a/requirements.txt b/requirements.txt
index 143d818..fde020c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ appnope==0.1.0
 arviz==0.5.1
 attrs==19.3.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.1.1
 cftime==1.0.4.2
 cycler==0.10.0
 decorator==4.4.0