diff --git a/Gemfile.lock b/Gemfile.lock
index a2abd7d..7295f58 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     devise (4.6.1)
       bcrypt (~> 3.0)
@@ -94,9 +94,9 @@ GEM
     erubi (1.8.0)
     execjs (2.7.0)
     ffi (1.10.0)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
-    i18n (1.5.3)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jbuilder (2.8.0)
@@ -121,10 +121,12 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    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 (1.2.6)
     multi_json (1.13.1)
     mysql2 (0.5.2)
@@ -209,7 +211,7 @@ GEM
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)