diff --git a/Gemfile.lock b/Gemfile.lock
index 84fe4d1..6782a42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,14 +57,14 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     erubi (1.8.0)
     execjs (2.7.0)
     ffi (1.11.1)
     formatador (0.2.5)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
     guard (2.13.0)
       formatador (>= 0.2.4)
       listen (>= 2.7, <= 4.0)
@@ -78,7 +78,7 @@ GEM
     guard-minitest (2.4.4)
       guard-compat (~> 1.2)
       minitest (>= 3.0)
-    i18n (1.6.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
@@ -95,7 +95,9 @@ 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 (5.10.3)
@@ -185,7 +187,7 @@ 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)