diff --git a/Procfile b/Procfile
index c584c7e2..43ed80b3 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: miniflux
+web: miniflux.app
diff --git a/go.mod b/go.mod
index 92b60253..577e2705 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,7 @@
 module miniflux.app
 
+// +heroku goVersion go1.11
+
 require (
 	github.com/PuerkitoBio/goquery v1.4.1
 	github.com/andybalholm/cascadia v1.0.0 // indirect