diff --git a/.travis.yml b/.travis.yml
index fbe673b..16c8ebb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ script:
   - make check
 
 env:
+  - GO15VENDOREXPERIMENT=1
   - PGSTORE_TEST_CONN="postgres://postgres@127.0.0.1/test?sslmode=disable"
 
 before_script: