diff --git a/Gemfile.lock b/Gemfile.lock
index e3b69f0..0fc23cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,10 +12,11 @@ GEM
     diff-lcs (1.2.5)
     method_source (0.8.2)
     mime-types (2.5)
-    mini_portile (0.6.2)
+    mini_portile2 (2.8.2)
     multi_json (1.11.0)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.15.3)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     poltergeist (1.6.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
@@ -25,6 +26,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    racc (1.7.1)
     rack (1.6.1)
     rack-test (0.6.3)
       rack (>= 1.0)