diff --git a/Gemfile.lock b/Gemfile.lock
index 52136b1..500e6d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       aws-sigv4 (~> 1.0)
     aws-sigv4 (1.0.3)
     bcrypt (3.1.12)
-    better_errors (2.5.0)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -90,7 +90,7 @@ GEM
     chromedriver-helper (2.1.0)
       archive-zip (~> 0.10)
       nokogiri (~> 1.8)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -101,7 +101,7 @@ GEM
     concurrent-ruby (1.1.3)
     crass (1.0.4)
     debug_inspector (0.0.3)
-    erubi (1.7.1)
+    erubi (1.10.0)
     execjs (2.7.0)
     ffi (1.9.25)
     globalid (0.4.1)
@@ -129,7 +129,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -146,7 +148,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.3)
     puma (3.12.0)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.1)