diff --git a/Gemfile.lock b/Gemfile.lock
index 4446152..425347f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,14 +54,14 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.2)
     erubis (2.7.0)
     execjs (2.7.0)
     ffi (1.9.18)
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
-    i18n (0.9.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
@@ -83,7 +83,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    minitest (5.17.0)
     multi_json (1.12.2)
     nio4r (2.1.0)
     nokogiri (1.8.1)
@@ -149,7 +149,7 @@ GEM
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.3)
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)