diff --git a/.travis.yml b/.travis.yml
index 8ee75ad..5a01d62 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,17 +5,16 @@ cache: bundler
 matrix:
   fast_finish: true
   include:
-  - rvm: 2.1
+  - rvm: 2.3
     env: PUPPET_GEM_VERSION="~> 4.0"
     script: "bundle exec rake validate"
-  - rvm: 2.1
+  - rvm: 2.3
     env: PUPPET_GEM_VERSION="~> 4.0"
     script: "bundle exec rake spec SPEC_OPTS='--format documentation'"
-  - rvm: 2.1
+  - rvm: 2.3
     env: PUPPET_GEM_VERSION="~> 4.0"
     script: "bundle exec rake beaker"
     services: docker
     sudo: required
 notifications:
   email: false
-
diff --git a/metadata.json b/metadata.json
index 56e96e9..dedc0aa 100644
--- a/metadata.json
+++ b/metadata.json
@@ -15,7 +15,7 @@
   "dependencies": [
     { "name": "puppetlabs-stdlib","version_requirement": ">= 1.0.0" },
     { "name": "stahnma-epel","version_requirement": ">= 1.0.0" },
-    { "name": "puppetlabs-concat","version_requirement": ">= 2.0.0 < 3.0.0" }
+    { "name": "puppetlabs-concat","version_requirement": ">= 2.0.0" }
   ],
   "operatingsystem_support": [
     {