diff --git a/.travis.yml b/.travis.yml
index 1b743c0..0dba74e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,3 +14,7 @@ branches:
 
 notifications:
   email: false
+
+env:
+  global:
+    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true