diff --git a/ruby/twitter/Gemfile.lock b/ruby/twitter/Gemfile.lock
index 44a7361..f9f7014 100644
--- a/ruby/twitter/Gemfile.lock
+++ b/ruby/twitter/Gemfile.lock
@@ -15,11 +15,13 @@ GEM
       ntlm-http (~> 0.1, >= 0.1.1)
       webrobots (>= 0.0.9, < 0.2)
     mime-types (1.22)
+    mini_portile2 (2.4.0)
     multi_json (1.7.2)
     multipart-post (1.2.0)
     net-http-digest_auth (1.3)
     net-http-persistent (2.8)
-    nokogiri (1.5.9)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     ntlm-http (0.1.1)
     simple_oauth (0.2.0)
     twitter (4.6.2)