diff --git a/.travis.yml b/.travis.yml
index 4f3614d..4f9aa9d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ rvm:
  - 2.2.4
  - 2.4.1
  - 2.5.3
+ - 2.6.3
 if: branch = master OR type = pull_request
 env:
   global:
diff --git a/lib/vertex_client/version.rb b/lib/vertex_client/version.rb
index 9120539..f037197 100644
--- a/lib/vertex_client/version.rb
+++ b/lib/vertex_client/version.rb
@@ -1,3 +1,3 @@
 module VertexClient
-  VERSION = '0.6.7'
+  VERSION = '0.6.8'
 end