diff --git a/Gemfile.lock b/Gemfile.lock
index 225f2b0..aad7e27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,6 @@ GEM
     faraday-net_http_persistent (1.2.0)
     faraday-patron (1.0.0)
     ffi (1.15.3)
-    ffi (1.15.3-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (216)
@@ -164,15 +163,15 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
+    mini_portile2 (2.8.0)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    nokogiri (1.11.7-x64-mingw32)
-      racc (~> 1.4)
-    nokogiri (1.11.7-x86_64-linux)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.21.0)
       faraday (>= 0.9)
@@ -180,7 +179,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    racc (1.5.2)
+    racc (1.6.0)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)