diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 9455161..7fab50b 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -24,6 +24,7 @@ GEM
       http_parser.rb (~> 0.6.0)
     ethon (0.14.0)
       ffi (>= 1.15.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     execjs (2.8.1)
     faraday (1.5.1)
@@ -43,6 +44,7 @@ GEM
     faraday-net_http (1.0.1)
     faraday-net_http_persistent (1.1.0)
     faraday-patron (1.0.0)
+    ffi (1.15.3)
     ffi (1.15.3-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -227,7 +229,9 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    nokogiri (1.11.7-x64-mingw32)
+    nokogiri (1.13.3-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.13.3-x86_64-linux)
       racc (~> 1.4)
     octokit (4.21.0)
       faraday (>= 0.9)
@@ -235,7 +239,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    racc (1.5.2)
+    racc (1.6.0)
     rake (13.0.6)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
@@ -269,6 +273,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.7)
+    unf_ext (0.0.7.7-x64-mingw32)
     unicode-display_width (1.7.0)
     wdm (0.1.1)
     webrick (1.7.0)
@@ -276,6 +281,7 @@ GEM
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   github-pages (~> 215)