diff --git a/.travis.yml b/.travis.yml
index 9024defcd..38c874279 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -89,6 +89,7 @@ addons:
     - le2.wtf
     - le3.wtf
     - nginx.wtf
+    - boulder
     - boulder-mysql
     - boulder-rabbitmq
   mariadb: "10.0"