diff --git a/module-2/app/service/requirements.txt b/module-2/app/service/requirements.txt
index 511cce45..4254b9ef 100644
--- a/module-2/app/service/requirements.txt
+++ b/module-2/app/service/requirements.txt
@@ -1,4 +1,5 @@
 boto3==1.11.16
-Flask==1.1.1
+Flask==1.1.4
 Flask-Cors==3.0.8
-werkzeug<1.0
\ No newline at end of file
+werkzeug<1.0
+markupsafe==2.0.1
\ No newline at end of file