diff --git a/algorithms_training/requirements.txt b/algorithms_training/requirements.txt
index c629d8c..f2b7fed 100644
--- a/algorithms_training/requirements.txt
+++ b/algorithms_training/requirements.txt
@@ -1,6 +1,6 @@
 appnope==0.1.0
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.1.1
 cycler==0.10.0
 decorator==4.3.2
 defusedxml==0.5.0