diff --git a/Gemfile.lock b/Gemfile.lock
index 7734ac0..1f50f50 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -208,7 +208,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
@@ -216,16 +216,18 @@ GEM
     minitest (5.14.1)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.10-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.2)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.2-x64-mingw32)
+      racc (~> 1.4)
     octokit (4.18.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)
+    racc (1.6.0)
     rack (1.6.13)
     rack-protection (1.5.5)
       rack
@@ -274,7 +276,6 @@ GEM
     unf_ext (0.0.7.7)
     unf_ext (0.0.7.7-x64-mingw32)
     unicode-display_width (1.7.0)
-    wdm (0.1.1)
     zeitwerk (2.4.0)
 
 PLATFORMS
@@ -285,7 +286,6 @@ DEPENDENCIES
   github-pages
   jekyll-admin
   nokogiri (>= 1.8.5)
-  wdm (~> 0.1.0)
 
 RUBY VERSION
    ruby 2.6.6p146