diff --git a/Gemfile.lock b/Gemfile.lock
index 4cf9874..85ad36a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
       descendants_tracker (~> 0.0.4)
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
-    builder (3.2.2)
+    builder (3.2.4)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     coffee-rails (4.0.1)
@@ -42,43 +42,41 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.9.1.1)
+    concurrent-ruby (1.2.2)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
-    equalizer (0.0.11)
     erubis (2.7.0)
     execjs (2.5.2)
-    grape (0.11.0)
+    grape (1.1.0)
       activesupport
       builder
-      hashie (>= 2.1.0)
-      multi_json (>= 1.3.2)
-      multi_xml (>= 0.5.2)
+      mustermann-grape (~> 1.0.0)
       rack (>= 1.3.0)
       rack-accept
-      rack-mount
       virtus (>= 1.0.0)
-    hashie (3.4.1)
     hike (1.2.3)
-    i18n (0.7.0)
-    ice_nine (0.11.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    ice_nine (0.11.2)
     jbuilder (2.2.16)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
     jquery-rails (3.1.2)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.2)
+    json (1.8.6)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.5)
-    minitest (5.6.1)
-    multi_json (1.11.0)
-    multi_xml (0.5.5)
-    rack (1.5.3)
+    minitest (5.18.0)
+    multi_json (1.15.0)
+    mustermann (3.0.0)
+      ruby2_keywords (~> 0.0.1)
+    mustermann-grape (1.0.2)
+      mustermann (>= 1.0.0)
+    rack (1.5.5)
     rack-accept (0.4.5)
       rack (>= 0.4)
-    rack-mount (0.8.3)
-      rack (>= 1.0.0)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.1.8)
@@ -99,6 +97,7 @@ GEM
     rake (10.4.2)
     rdoc (4.2.0)
       json (~> 1.4)
+    ruby2_keywords (0.0.5)
     sass (3.2.19)
     sass-rails (4.0.5)
       railties (>= 4.0.0, < 5.0)
@@ -120,20 +119,19 @@ GEM
       sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.10)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     uglifier (2.7.1)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    virtus (1.0.5)
+    virtus (2.0.0)
       axiom-types (~> 0.1)
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)
-      equalizer (~> 0.0, >= 0.0.9)
 
 PLATFORMS
   ruby