diff --git a/Gemfile.lock b/Gemfile.lock
index 3e8fcfb..4f9ef4a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -186,9 +186,11 @@ 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)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     modernizr-rails (2.7.1)
     multi_json (1.13.1)
@@ -198,8 +200,9 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.1.0)
     nio4r (2.3.1)
-    nokogiri (1.9.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -225,6 +228,7 @@ GEM
     quick_search-placeholder_searcher (0.0.1)
       quick_search-core (~> 0)
     quick_search-wikipedia_searcher (0.0.1)
+    racc (1.6.0)
     rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)