diff --git a/.pkgr.yml b/.pkgr.yml
index 98fdb192..dc2bbb87 100644
--- a/.pkgr.yml
+++ b/.pkgr.yml
@@ -19,6 +19,8 @@ targets:
   centos-6: &el
     build_dependencies:
       - pam-devel
+      # required for go buildpack
+      - perl-Digest-SHA
     dependencies:
       - pam
       - git
@@ -26,7 +28,7 @@ targets:
     <<: *el
 before:
   - mv packager/Procfile .
-  - mv packager/.godir .
 after:
-  - mv bin/main gogs
+  - mv bin/gogs gogs
 after_install: ./packager/hooks/postinst
+buildpack: https://github.com/heroku/heroku-buildpack-go.git#v62
diff --git a/packager/Procfile b/packager/Procfile
index efa00d25..ee1a0f55 100644
--- a/packager/Procfile
+++ b/packager/Procfile
@@ -1 +1 @@
-web: ./gogs web
+web: ./gogs web -p ${PORT:=3000}
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 76b75cb2..6e9668b0 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -557,7 +557,7 @@
 		{
 			"checksumSHA1": "qM9ubEa57g4oNa6JLFQ+e1TCMno=",
 			"path": "gopkg.in/macaron.v1",
-			"revision": "8be5635c28f40a85ce8e8f65c6118b4ee4e548e9",
+			"revision": "a325110f8b392bce3e5cdeb8c44bf98078ada3be",
 			"revisionTime": "2017-02-19T20:49:11Z"
 		},
 		{