diff --git a/Gemfile b/Gemfile
index 4e617cc..30a862a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gem "jekyll-remote-theme"
 gem "minimal-mistakes-jekyll"
 gem "jekyll-include-cache"
 gem "jekyll-paginate"
-gem "nokogiri", "~> 1.10.4"
+gem "nokogiri", "~> 1.13.4"
 
 # github-pages plugins
 gem "github-pages", group: :jekyll_plugins
diff --git a/Gemfile.lock b/Gemfile.lock
index 7665553..0c33058 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -198,7 +198,7 @@ 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)
@@ -212,16 +212,18 @@ GEM
       jekyll-sitemap (~> 1.3)
     multi_json (1.14.1)
     multipart-post (2.1.1)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.8-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.4-x64-mingw32)
+      racc (~> 1.4)
     octokit (4.16.0)
       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)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -260,7 +262,7 @@ DEPENDENCIES
   jekyll-redirect-from
   jekyll-remote-theme
   minimal-mistakes-jekyll
-  nokogiri (~> 1.10.4)
+  nokogiri (~> 1.13.4)
   tzinfo-data
 
 BUNDLED WITH