diff --git a/Gemfile.lock b/Gemfile.lock
index 911d4d1..4fe749d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,12 +148,12 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.2)
     mime-types (1.25.1)
-    mini_portile (0.5.1)
+    mini_portile2 (2.4.0)
     minitest (4.7.5)
     multi_json (1.9.0)
     mysql2 (0.3.15)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.9.1)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.4.0)
     paperclip (3.5.1)
       activemodel (>= 3.0.0)