diff --git a/Gemfile.lock b/Gemfile.lock
index 22f81a6..22cad30 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,7 +63,7 @@ GEM
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
     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)
@@ -97,7 +97,7 @@ GEM
       nokogiri (~> 1.8)
     codeclimate-engine-rb (0.4.1)
       virtus (~> 1.0)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     coffee-rails (4.2.2)
@@ -132,7 +132,7 @@ GEM
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
-    erubi (1.7.1)
+    erubi (1.10.0)
     excon (0.62.0)
     execjs (2.7.0)
     factory_bot (4.8.2)
@@ -192,7 +192,9 @@ 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 (2.3.0)
     minitest (5.11.3)
@@ -238,7 +240,7 @@ GEM
       pry
     public_suffix (3.0.2)
     puma (3.11.4)
-    rack (2.0.5)
+    rack (2.2.3)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)
     rails (5.2.0)