diff --git a/manifests/nova.pp b/manifests/nova.pp
index c2f7040..d8e8380 100644
--- a/manifests/nova.pp
+++ b/manifests/nova.pp
@@ -9,7 +9,8 @@ node default {
     ensure => present
   }
   apt::builddep { "nova":
-    ensure => present
+    ensure => present,
+    require => Apt::Ppa["ppa:nova-core/trunk"]
   }
 
 }
diff --git a/manifests/swift.pp b/manifests/swift.pp
index d8fe880..5f6a90b 100644
--- a/manifests/swift.pp
+++ b/manifests/swift.pp
@@ -9,7 +9,8 @@ node default {
     ensure => present
   }
   apt::builddep { "swift":
-    ensure => present
+    ensure => present,
+    require => Apt::Ppa["ppa:swift-core/trunk"]
   }
 
 }