diff --git a/Gemfile.lock b/Gemfile.lock
index c15de9f..baf8c23 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       aws-sdk-core (= 2.11.29)
     aws-sigv4 (1.0.2)
     bcrypt (3.1.11)
-    better_errors (2.4.0)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -74,7 +74,7 @@ GEM
     climate_control (0.2.0)
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -89,7 +89,7 @@ GEM
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    erubi (1.7.1)
+    erubi (1.10.0)
     eventmachine (1.2.5)
     execjs (2.7.0)
     faker (1.8.7)
@@ -140,7 +140,9 @@ 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 (1.0.0)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -168,7 +170,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.2)
     puma (3.11.3)
-    rack (2.0.4)
+    rack (2.2.3)
     rack-livereload (0.3.16)
       rack
     rack-test (1.0.0)