diff --git a/requirements.txt b/requirements.txt
index 3e6abf9..3d45bef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 Babel==2.6.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.3.0
 certifi==2018.11.29
 chardet==3.0.4
 decorator==4.3.2