update travis

diff --git a/.travis.yml b/.travis.yml
index 655229f..e649e7e 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: perl
 perl:
-    - "5.19"
+    - "5.20"
     - "5.18"
     - "5.16"
     - "5.14"