diff --git a/Gemfile.lock b/Gemfile.lock
index 6d584b0..206b8cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,14 +4,16 @@ GEM
     backports (3.6.6)
     coderay (1.0.9)
     method_source (0.8.2)
-    mini_portile (0.6.2)
+    mini_portile2 (2.8.0)
     multi_json (1.11.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.9.12)
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
+    racc (1.6.0)
     rack (1.6.4)
     rack-protection (1.5.3)
       rack