diff --git a/.travis.yml b/.travis.yml
index 54b15e5..c7e157e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,10 @@ rvm:
   - 2.4.3
   - 2.5.0
 
+env:
+  - RUBY_GPGME_USE_SYSTEM_LIBRARIES=1
+  -
+
 matrix:
   allow_failures:
     - rvm: 1.9.3