diff --git a/Lesson5/ActivityA/requirements.txt b/Lesson5/ActivityA/requirements.txt
index 25e0469..224dda6 100644
--- a/Lesson5/ActivityA/requirements.txt
+++ b/Lesson5/ActivityA/requirements.txt
@@ -1,7 +1,7 @@
 click==6.7
 Flask==0.12.2
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 nose==1.3.7
 Werkzeug==0.12.2