diff --git a/Gemfile.lock b/Gemfile.lock
index 755c077b..9e819da0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
       compass (~> 1.0.0)
       sass-rails (< 5.1)
       sprockets (< 4.0)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     connection_pool (2.2.1)
     crass (1.0.2)
     devise (4.2.1)
@@ -103,12 +103,13 @@ GEM
       multipart-post (>= 1.2, < 3)
     ffi (1.9.18)
     get_process_mem (0.2.1)
-    globalid (0.4.0)
-      activesupport (>= 4.2.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
     hashie (3.5.5)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (0.8.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.6.3)
       activesupport (>= 3.0.0, < 5.2)
       multi_json (~> 1.2)
@@ -142,9 +143,11 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_portile2 (2.1.0)
-    minitest (5.10.1)
+    minitest (5.17.0)
     multi_json (1.12.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
@@ -275,7 +278,7 @@ GEM
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)