diff --git a/Gemfile.lock b/Gemfile.lock
index 3e8fcfb..7b678aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
     airbrussh (1.3.1)
       sshkit (>= 1.6.1, != 1.7.0)
     arel (9.0.0)
-    better_errors (2.5.1)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -92,7 +92,7 @@ GEM
       capybara (>= 2.3, < 4.0)
       json
     chunky_png (1.3.11)
-    coderay (1.1.2)
+    coderay (1.1.3)
     compass (1.0.3)
       chunky_png (~> 1.2)
       compass-core (~> 1.0.2)
@@ -118,7 +118,7 @@ GEM
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    erubi (1.8.0)
+    erubi (1.10.0)
     eventmachine (1.2.7)
     fastimage (2.1.5)
     ffi (1.10.0)
@@ -186,7 +186,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -225,7 +227,7 @@ GEM
     quick_search-placeholder_searcher (0.0.1)
       quick_search-core (~> 0)
     quick_search-wikipedia_searcher (0.0.1)
-    rack (2.0.8)
+    rack (2.1.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)