diff --git a/Trash/lab_2/lab_2/requirements.txt b/Trash/lab_2/lab_2/requirements.txt
old mode 100755
new mode 100644
index 3207c01..dbc0595
--- a/Trash/lab_2/lab_2/requirements.txt
+++ b/Trash/lab_2/lab_2/requirements.txt
@@ -15,7 +15,7 @@ bigartm==0.9.0
 bitarray==0.8.1
 bkcharts==0.2
 blaze==0.11.3
-bleach==2.1.3
+bleach==3.3.0
 bokeh==0.12.16
 boto==2.48.0
 boto3==1.7.66