diff --git a/Gemfile.lock b/Gemfile.lock
index 825968b..552336d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
       treetop (~> 1.4.8)
     metaclass (0.0.1)
     mime-types (1.25)
-    mini_portile (0.5.1)
+    mini_portile2 (2.6.1)
     mocha (0.10.5)
       metaclass (~> 0.0.1)
     mongo (1.3.1)
@@ -64,8 +64,9 @@ GEM
       mongo (<= 1.6.2)
       tzinfo (~> 0.3.22)
     multi_json (1.8.0)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     padrino (0.10.5)
       padrino-admin (= 0.10.5)
       padrino-cache (= 0.10.5)
@@ -97,6 +98,7 @@ GEM
       mail (~> 2.3.0)
       padrino-core (= 0.10.5)
     polyglot (0.3.3)
+    racc (1.5.2)
     rack (1.5.2)
     rack-protection (1.5.0)
       rack