diff --git a/Gemfile.lock b/Gemfile.lock
index 05d2114..fa96288 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,9 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.15.0)
-    nokogiri (1.13.0-x86_64-darwin)
+    nokogiri (1.13.4-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.4-x86_64-linux)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -95,6 +97,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (~> 4.0.0)