diff --git a/ruby/twitter/Gemfile.lock b/ruby/twitter/Gemfile.lock
index 44a7361..162d6b0 100644
--- a/ruby/twitter/Gemfile.lock
+++ b/ruby/twitter/Gemfile.lock
@@ -1,35 +1,48 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    domain_name (0.5.11)
+    connection_pool (2.2.3)
+    domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (0.6.0)
     faraday (0.8.7)
       multipart-post (~> 1.1)
-    mechanize (2.6.0)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
+    mechanize (2.7.7)
       domain_name (~> 0.5, >= 0.5.1)
-      mime-types (~> 1.17, >= 1.17.2)
+      http-cookie (~> 1.0)
+      mime-types (>= 1.17.2)
       net-http-digest_auth (~> 1.1, >= 1.1.1)
-      net-http-persistent (~> 2.5, >= 2.5.2)
-      nokogiri (~> 1.4)
+      net-http-persistent (>= 2.5.2)
+      nokogiri (~> 1.6)
       ntlm-http (~> 0.1, >= 0.1.1)
+      webrick (~> 1.7)
       webrobots (>= 0.0.9, < 0.2)
-    mime-types (1.22)
+    mime-types (3.3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2020.1104)
+    mini_portile2 (2.5.0)
     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)
+    net-http-digest_auth (1.4.1)
+    net-http-persistent (4.0.1)
+      connection_pool (~> 2.2)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
+    racc (1.5.2)
     simple_oauth (0.2.0)
     twitter (4.6.2)
       faraday (~> 0.8, < 0.10)
       multi_json (~> 1.0)
       simple_oauth (~> 0.2)
-    unf (0.1.1)
+    unf (0.1.4)
       unf_ext
-    unf_ext (0.0.6)
-    webrobots (0.1.1)
+    unf_ext (0.0.7.7)
+    webrick (1.7.0)
+    webrobots (0.1.2)
 
 PLATFORMS
   ruby