diff --git a/Gemfile.lock b/Gemfile.lock
index 7833cfce..8fef5b2a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -168,7 +168,7 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 1.4)
       typhoeus (~> 0.7)
-    grape (1.0.1)
+    grape (1.0.3)
       activesupport
       builder
       mustermann-grape (~> 1.0.0)
@@ -224,7 +224,7 @@ GEM
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    i18n (0.9.1)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     iso8601 (0.9.1)
@@ -315,7 +315,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    minitest (5.11.3)
     mongo (2.4.3)
       bson (>= 4.2.1, < 5.0.0)
     mongoid (6.2.1)
@@ -324,7 +324,7 @@ GEM
     multi_json (1.12.2)
     multi_test (0.1.2)
     multipart-post (2.0.0)
-    mustermann (1.0.1)
+    mustermann (1.0.2)
     mustermann-grape (1.0.0)
       mustermann (~> 1.0.0)
     nenv (0.3.0)
@@ -349,7 +349,7 @@ GEM
       multi_json (~> 1.0)
       pusher-signature (~> 0.1.8)
     pusher-signature (0.1.8)
-    rack (2.0.3)
+    rack (2.0.5)
     rack-accept (0.4.5)
       rack (>= 0.4)
     rack-conneg (0.1.6)
@@ -490,7 +490,7 @@ GEM
     tins (1.15.0)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext