diff --git a/.travis.yml b/.travis.yml
index d566db3b..055535a7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,8 @@ rvm:
   - 1.8.7
   - 1.9.3
 env:
-  - PUPPET_VERSION=2.7.21
-  - PUPPET_VERSION=3.1.1
-  - PUPPET_VERSION=3.2.4
-  - PUPPET_VERSION=3.3.2
-  - PUPPET_VERSION=3.4.2
+  - PUPPET_GEM_VERSION=2.7.21
+  - PUPPET_GEM_VERSION=3.1.1
+  - PUPPET_GEM_VERSION=3.2.4
+  - PUPPET_GEM_VERSION=3.3.2
+  - PUPPET_GEM_VERSION=3.4.2