diff --git a/Procfile b/Procfile
index 538ca43..997bb9f 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: gunicorn app --log-file -
+web: gunicorn app:app --log-file -
diff --git a/requirements.txt b/requirements.txt
index 341da8d..2bf2926 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 python-geohash==0.8.5
 bottle==0.12.7
+gunicorn==19.0.0