diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 3284d07..aa90780 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -7,8 +7,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -24,10 +24,12 @@ GEM
       http_parser.rb (~> 0.6.0)
     ethon (0.12.0)
       ffi (>= 1.3.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     execjs (2.7.0)
     faraday (1.0.1)
       multipart-post (>= 1.2, < 3)
+    ffi (1.12.2)
     ffi (1.12.2-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -204,6 +206,8 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.0)
     multipart-post (2.1.1)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.9-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     octokit (4.18.0)
@@ -243,6 +247,7 @@ GEM
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   github-pages (~> 204)