diff --git a/requirements.txt b/requirements.txt
index d562248..a11918a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 appnope==0.1.0
 backcall==0.1.0
 beautifulsoup4==4.7.1
-bleach==2.1.4
+bleach==3.3.0
 cca-core==0.1.4
 certifi==2019.3.9
 chardet==3.0.4