diff --git a/Gemfile.lock b/Gemfile.lock
index 6e0741a0..c7cd8be5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,14 +23,17 @@ GEM
     builder (3.2.2)
     i18n (0.7.0)
     jdbc-derby (10.10.2.0)
+    json (1.8.1)
     json (1.8.1-java)
     minitest (5.5.0)
-    thread_safe (0.3.4-java)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    thread_safe (0.3.6-java)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS
   java
+  ruby
 
 DEPENDENCIES
   activerecord (~> 4.1.0)