diff --git a/Gemfile b/Gemfile
index 4f660af..1917a5a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem 'rails-assets-modernizr', source: 'https://rails-assets.org'
 # gem 'font-awesome-sass', '~> 4.7.0'
 
 gem 'builder', '~> 3.2.0' # for feed.xml and sitemap.xml
-gem 'nokogiri', '~> 1.8.1' # for blog summaries
+gem 'nokogiri', '~> 1.10.10' # for blog summaries
 
 # For faster file watcher updates on Windows:
 gem 'wdm', '~> 0.1.0', platforms: [:mswin, :mingw]
diff --git a/Gemfile.lock b/Gemfile.lock
index 799bd07..43ab10c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,10 +94,10 @@ GEM
     middleman-sprockets (4.1.1)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -144,7 +144,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 2.7)
   middleman-livereload (~> 3.4.3)
   middleman-sprockets (~> 4.1.1)
-  nokogiri (~> 1.8.1)
+  nokogiri (~> 1.10.10)
   rails-assets-jquery!
   rails-assets-modernizr!
   rails-assets-popper.js!