diff --git a/Gemfile b/Gemfile
index 4bd6037..a113c2c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem 'redcarpet', '~> 3.6'
 gem 'pygments.rb', '~> 2.4'
 
 # 1.14.0 is Ruby 2.7 only
-gem 'nokogiri', '~> 1.13.10', '< 1.14.0'
+gem 'nokogiri', '~> 1.16.5'
 
 # 1.17.0 does not seem to work on Ruby 2.6:
 # https://github.com/perlun/perlun.eu.org/actions/runs/9685245708/job/26724904172?pr=50.
diff --git a/Gemfile.lock b/Gemfile.lock
index a40270a..f1d7e16 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,16 +66,18 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.8.5)
+    mini_portile2 (2.8.7)
     minitest (5.23.1)
-    nokogiri (1.13.10)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.16.5)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    nokogiri (1.16.5-x86_64-linux)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (5.1.1)
     pygments.rb (2.4.1)
-    racc (1.7.3)
+    racc (1.8.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
@@ -107,7 +109,7 @@ DEPENDENCIES
   jekyll-multiple-languages-plugin!
   jekyll-paginate (~> 1.1)
   jemoji (~> 0.13)
-  nokogiri (~> 1.13.10, < 1.14.0)
+  nokogiri (~> 1.16.5)
   pygments.rb (~> 2.4)
   redcarpet (~> 3.6)