diff --git a/Gemfile.lock b/Gemfile.lock
index ce4ba17..c393c0e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,11 +29,14 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.1)
     mime-types (1.23)
+    mini_portile2 (2.8.0)
     minitest (4.7.5)
     multi_json (1.7.6)
     multi_xml (0.5.4)
     mysql2 (0.3.11)
-    nokogiri (1.5.9)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     polyglot (0.3.3)
     pony (1.4.1)
       mail (> 2.0)
@@ -44,6 +47,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
+    racc (1.6.0)
     rack (1.5.2)
     rack-mount (0.8.3)
       rack (>= 1.0.0)