diff --git a/Gemfile.lock b/Gemfile.lock
index 6408a48..53b9f6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,9 +51,9 @@ GEM
       aws-sdk-core (= 2.7.11)
     aws-sigv4 (1.0.0)
     bcrypt (3.1.11)
-    better_errors (2.1.1)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
@@ -62,7 +62,7 @@ GEM
     climate_control (0.1.0)
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
-    coderay (1.1.1)
+    coderay (1.1.3)
     coffee-rails (4.2.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.2.x)
@@ -72,6 +72,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.4)
     debug_inspector (0.0.2)
+    erubi (1.10.0)
     erubis (2.7.0)
     execjs (2.7.0)
     faker (1.7.3)
@@ -103,7 +104,9 @@ 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_portile2 (2.1.0)
     minitest (5.10.1)
     multi_json (1.12.1)
@@ -125,7 +128,7 @@ GEM
     pry-rails (0.3.4)
       pry (>= 0.9.10)
     puma (3.7.0)
-    rack (2.0.1)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.1)