diff --git a/project-code/code/requirements.txt b/project-code/code/requirements.txt
index 831cda3..b584b8f 100644
--- a/project-code/code/requirements.txt
+++ b/project-code/code/requirements.txt
@@ -1,6 +1,6 @@
 appnope==0.1.0
 backcall==0.1.0
-bleach==3.0.2
+bleach==3.3.0
 branca==0.3.1
 certifi==2018.11.29
 chardet==3.0.4