diff --git a/vision/assgnment1/requirements.txt b/vision/assgnment1/requirements.txt
index 96eecba..01c5a00 100644
--- a/vision/assgnment1/requirements.txt
+++ b/vision/assgnment1/requirements.txt
@@ -1,6 +1,6 @@
 attrs==19.1.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.1.1
 certifi==2019.3.9
 chardet==3.0.4
 colorama==0.4.1