diff --git a/Gemfile.lock b/Gemfile.lock
index 3a32767..5923e32 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -205,7 +205,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.1.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -242,7 +242,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  commonmarker
   github-pages
 
 BUNDLED WITH