diff --git a/requirements_(AttackerSide).txt b/requirements_(AttackerSide).txt
index 636eba4..bfde902 100644
--- a/requirements_(AttackerSide).txt
+++ b/requirements_(AttackerSide).txt
@@ -1,2 +1,2 @@
-tornado==5.1.1
+tornado==6.3.3
 colorama==0.4.1