diff --git a/Gemfile.lock b/Gemfile.lock
index 21d6dd9..8bc5729 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
     mime-types (2.99)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
-    multi_json (1.11.2)
+    multi_json (1.14.1)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     orm_adapter (0.5.0)
@@ -130,7 +130,7 @@ GEM
     puma (3.12.4)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.5.1)
@@ -209,7 +209,7 @@ GEM
       railties (>= 3.1, < 5.0)
       slim (~> 3.0)
     slop (3.6.0)
-    sprockets (2.12.4)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)