diff --git a/ubuntu.json b/ubuntu.json
index 674dda2..e2e4177 100644
--- a/ubuntu.json
+++ b/ubuntu.json
@@ -475,6 +475,14 @@
     "key_url": "https://%{app_host}/files/gpg/mysql-5.7-trusty.asc",
     "canonical_key_url": "https://raw.githubusercontent.com/travis-ci/apt-source-safelist/master/keys/mysql-5.7-trusty.asc"
   },
+  {
+    "alias": "nginx-mainline",
+    "sourceline": "ppa:nginx/mainline"
+  },
+  {
+    "alias": "nginx-stable",
+    "sourceline": "ppa:nginx/stable"
+  },
   {
     "alias": "openjdk-r-java",
     "sourceline": "ppa:openjdk-r/ppa"