diff --git a/Gemfile.lock b/Gemfile.lock
index 0bdbcdd..2eb5fdb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -93,11 +93,14 @@ GEM
       webrobots (>= 0.0.9, < 0.2)
     method_source (0.8.1)
     mime-types (1.21)
+    mini_portile2 (2.8.0)
     multi_json (1.7.2)
     multipart-post (1.2.0)
     net-http-digest_auth (1.2.1)
     net-http-persistent (2.8)
-    nokogiri (1.5.9)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
     oauth (0.4.7)
     omniauth (1.1.3)
@@ -115,6 +118,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
+    racc (1.6.0)
     rack (1.4.5)
     rack-cache (1.2)
       rack (>= 0.4)