diff --git a/docs/requirements.txt b/docs/requirements.txt
index 61dc91e..62713b1 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,7 +4,7 @@ atomicwrites==1.3.0
 attrs==19.1.0
 babel==2.6.0
 backcall==0.1.0
-bleach==3.1.1
+bleach==3.3.0
 certifi==2019.3.9
 chardet==3.0.4
 colorama==0.4.1