diff --git a/Gemfile.lock b/Gemfile.lock
index bc78402..49f1bb0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       aws-sdk-core (= 2.6.44)
     aws-sigv4 (1.0.2)
     bcrypt (3.1.11)
-    better_errors (2.4.0)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -87,7 +87,7 @@ GEM
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     cocoon (1.2.6)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -134,7 +134,7 @@ GEM
     ejs (1.1.1)
     encryptor (1.3.0)
     equalizer (0.0.10)
-    erubi (1.7.1)
+    erubi (1.10.0)
     erubis (2.7.0)
     excon (0.61.0)
     execjs (2.7.0)
@@ -394,7 +394,9 @@ 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_magick (4.8.0)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
@@ -471,7 +473,7 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     puma (3.11.2)
-    rack (1.6.9)
+    rack (1.6.13)
     rack-cors (0.4.0)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -553,9 +555,9 @@ GEM
       rspec-mocks (~> 3.7.0)
       rspec-support (~> 3.7.0)
     rspec-support (3.7.1)
+    ruby-rc4 (0.1.5)
     ruby_parser (3.14.2)
       sexp_processor (~> 4.9)
-    ruby-rc4 (0.1.5)
     sass (3.5.5)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)