diff --git a/Gemfile.lock b/Gemfile.lock
index 0d606c6..396e949 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     commonjs (0.2.7)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     database_cleaner (1.7.0)
     devise (4.4.3)
@@ -145,8 +145,8 @@ GEM
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
     grease (0.3.1)
     haml (5.0.4)
       temple (>= 0.8.0)
@@ -154,7 +154,7 @@ GEM
     highline (1.7.10)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (1.0.1)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jbuilder (2.7.0)
@@ -189,10 +189,12 @@ 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_mime (1.0.1)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.17.0)
     msgpack (1.2.4)
     multi_json (1.13.1)
     net-ldap (0.16.1)
@@ -332,7 +334,7 @@ GEM
       execjs
       rails (>= 3.1)
       railties (>= 3.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.11)
       execjs (>= 0.3.0, < 3)