diff --git a/.travis.yml b/.travis.yml
index a6b7d40..9e2d620 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,11 @@ language: ruby
 rvm:
   - 2.3
 
+addons:
+  apt:
+    packages:
+      - libcurl4-openssl-dev
+
 env:
   global:
     - NOKOGIRI_USE_SYSTEM_LIBRARIES=true