diff --git a/Procfile b/Procfile
index 0ee4503..e377596 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: python run_httpbin.py $PORT
\ No newline at end of file
+web: gunicorn httpbin:app -b "0.0.0.0:$PORT"
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 3173e78..31a1498 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ distribute==0.6.15
 wsgiref==0.1.2
 decorator==3.3.2
 omnijson==0.1.2
-gevent
\ No newline at end of file
+gunicorn==0.12.2
\ No newline at end of file