diff --git a/circle.yml b/circle.yml
index 745066a7..4f7af7cc 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,6 +1,6 @@
 machine:
   java:
-    version: oraclejdk6
+    version: oraclejdk7
 test:
   override:
     - env; ./gradlew build --console=plain --info --stacktrace