diff --git a/Containerisation/python-ide/requirements.txt b/Containerisation/python-ide/requirements.txt
index b4e628e..b8c3adc 100644
--- a/Containerisation/python-ide/requirements.txt
+++ b/Containerisation/python-ide/requirements.txt
@@ -1,4 +1,4 @@
-bleach==1.5.0
+bleach==3.3.0
 certifi==2016.2.28
 cycler==0.10.0
 decorator==4.1.2