diff --git a/circle.yml b/circle.yml
index 61de1b22b..3abadfc68 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,9 +1,6 @@
 machine:
   ruby:
-    version:
-      - 1.8.7
-      - 1.9.3
-      - jruby-1.6.6
+    version: 1.9.3
 test:
   post:
     - bundle exec rake spec