diff --git a/requirements.txt b/requirements.txt
index dc44e98..7079d89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 accumulation-tree==0.6.2
 attrs==19.3.0
 backcall==0.1.0
-bleach==3.1.5
+bleach==3.3.0
 csaps==0.11.0
 cycler==0.10.0
 decorator==4.4.2