diff --git a/requirements.txt b/requirements.txt
index 0382aa2..a459021 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
-Flask==0.9
-Jinja2==2.6
-Werkzeug==0.8.3
-wsgiref==0.1.2
+Flask
+itsdangerous
+Jinja2
+MarkupSafe
+Werkzeug
\ No newline at end of file