diff --git a/Gemfile.lock b/Gemfile.lock
index c1139c6..84d14f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,6 +21,13 @@ GEM
     builder (3.0.0)
     chronic (0.7.0)
     columnize (0.3.6)
+    debugger (1.2.0)
+      columnize (>= 0.3.1)
+      debugger-linecache (~> 1.1.1)
+      debugger-ruby_core_source (~> 1.1.3)
+    debugger-linecache (1.1.2)
+      debugger-ruby_core_source (>= 1.1.1)
+    debugger-ruby_core_source (1.1.3)
     delorean (0.2.1)
       chronic
     factory_girl (1.3.3)
@@ -74,6 +81,7 @@ PLATFORMS
 DEPENDENCIES
   activerecord (~> 3.0)
   activerecord-jdbcmysql-adapter
+  debugger
   delorean (~> 0.2.0)
   factory_girl (~> 1.3.3)
   jdbc-mysql