diff --git a/.travis.yml b/.travis.yml
index 1ae4afc..70097cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,12 @@
-sudo: false
+sudo: required
 
 language: php
 
+addons:
+  apt:
+    packages:
+    - libevent-dev
+
 php:
   - 7.0
   - 7.1