diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index c29604b..a18f4c6 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -211,7 +211,9 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.16.2)
-    nokogiri (1.13.8-x86_64-darwin)
+    nokogiri (1.13.9-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -253,6 +255,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   github-pages