diff --git a/slots_lightning_talk/requirements.txt b/slots_lightning_talk/requirements.txt
index 8a66d95..6080bde 100644
--- a/slots_lightning_talk/requirements.txt
+++ b/slots_lightning_talk/requirements.txt
@@ -1,6 +1,6 @@
 # python 3.6.1
 
-bleach==2.0.0
+bleach==3.1.1
 decorator==4.0.11
 entrypoints==0.2.3
 html5lib==0.999999999