diff --git a/.travis.yml b/.travis.yml
index 0ecea93..8f9226b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,3 +7,9 @@ perl:
   - "5.16"
   - "5.18"
   - "5.20"
+matrix:
+  include:
+    - perl: 5.20
+      env: COVERAGE=1
+before_install:
+  - eval $(curl https://travis-perl.github.io/init) --auto