diff --git a/DataHack2019-DataLearn/requirements.txt b/DataHack2019-DataLearn/requirements.txt
index 3715fbd..9a3f92b 100644
--- a/DataHack2019-DataLearn/requirements.txt
+++ b/DataHack2019-DataLearn/requirements.txt
@@ -4,7 +4,7 @@ astropy==3.2.1
 atomicwrites==1.3.0
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.3.0
 catboost==0.16.5
 certifi==2019.6.16
 chardet==3.0.4