diff --git a/Procfile b/Procfile
index e6cb5ad..b26d119 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: python app.py
\ No newline at end of file
+web: gunicorn app:app -b "0.0.0.0:$PORT"
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 3983b2d..7190b78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 Flask==0.8
 Pygments==1.4
+gunicorn==0.13.4