diff --git a/Gemfile.lock b/Gemfile.lock
index 953b676..a18a4eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     data_objects (0.10.17)
       addressable (~> 2.1)
     database_cleaner (1.6.2)
-    diff-lcs (1.3)
+    diff-lcs (1.5.0)
     dm-aggregates (1.2.0)
       dm-core (~> 1.2.0)
     dm-constraints (1.2.0)
@@ -87,19 +87,19 @@ GEM
     rack-test (0.8.3)
       rack (>= 1.0, < 3)
     rake (12.3.0)
-    rspec (3.7.0)
-      rspec-core (~> 3.7.0)
-      rspec-expectations (~> 3.7.0)
-      rspec-mocks (~> 3.7.0)
-    rspec-core (3.7.1)
-      rspec-support (~> 3.7.0)
-    rspec-expectations (3.7.0)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.0)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-mocks (3.7.0)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-support (3.7.1)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.0)
     sinatra (1.4.8)
       rack (~> 1.5)
       rack-protection (~> 1.4)