diff --git a/Gemfile.lock b/Gemfile.lock
index 29dcacb..1832072 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ 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)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
@@ -76,8 +76,8 @@ GEM
       sass (>= 3.2)
     formatador (0.2.5)
     fspath (3.1.0)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
     guard (2.15.0)
       formatador (>= 0.2.4)
       listen (>= 2.7, < 4.0)
@@ -96,7 +96,7 @@ GEM
     heroku-deflater (0.6.3)
       rack (>= 1.4.5)
     http_parser.rb (0.6.0)
-    i18n (1.5.2)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     image_optim (0.26.3)
       exifr (~> 1.2, >= 1.2.2)
@@ -143,10 +143,12 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    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)
     nenv (0.3.0)
@@ -239,7 +241,7 @@ 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)