diff --git a/Gemfile.lock b/Gemfile.lock
index e87d640..7c25a0f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -200,9 +200,6 @@ GEM
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.3)
       jekyll (>= 3.3, < 5.0)
-    jekyll-toc (0.18.0)
-      jekyll (>= 3.9)
-      nokogiri (~> 1.12)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     jemoji (0.13.0)
@@ -226,7 +223,9 @@ GEM
     mutex_m (0.2.0)
     net-http (0.4.1)
       uri
-    nokogiri (1.16.2-x86_64-darwin)
+    nokogiri (1.19.3-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.3-x86_64-linux-gnu)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -234,7 +233,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (5.0.4)
-    racc (1.7.3)
+    racc (1.8.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -267,10 +266,10 @@ GEM
 
 PLATFORMS
   x86_64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   github-pages
-  jekyll-toc
   webrick (~> 1.8)
 
 BUNDLED WITH