diff --git a/Gemfile b/Gemfile
index 9a2547da..5e0400a3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,5 +26,5 @@ end
 gem 'wdm', '~> 0.1.1', platforms: %i[mingw x64_mingw mswin]
 
 group :development do
-  gem 'rubocop', '~> 1.70'
+  gem 'rubocop', '~> 1.71'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index f91d9e8f..5d9b7e4e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,10 +7,11 @@ GIT
 
 GIT
   remote: https://github.com/html2rss/html2rss.git
-  revision: 01f2b8392f60f7ca77d1cba01a1a8971e6b700b4
+  revision: 09dfa93d87e703bbee3f928cb7744b0ba365a52e
   specs:
     html2rss (0.17.0)
       addressable (~> 2.7)
+      dry-validation
       faraday (> 2.0.1, < 3.0)
       faraday-follow_redirects
       kramdown
@@ -37,6 +38,41 @@ GEM
     colorator (1.1.0)
     concurrent-ruby (1.3.5)
     crass (1.0.6)
+    dry-configurable (1.3.0)
+      dry-core (~> 1.1)
+      zeitwerk (~> 2.6)
+    dry-core (1.1.0)
+      concurrent-ruby (~> 1.0)
+      logger
+      zeitwerk (~> 2.6)
+    dry-inflector (1.2.0)
+    dry-initializer (3.2.0)
+    dry-logic (1.6.0)
+      bigdecimal
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 1.1)
+      zeitwerk (~> 2.6)
+    dry-schema (1.14.0)
+      concurrent-ruby (~> 1.0)
+      dry-configurable (~> 1.0, >= 1.0.1)
+      dry-core (~> 1.1)
+      dry-initializer (~> 3.2)
+      dry-logic (~> 1.5)
+      dry-types (~> 1.8)
+      zeitwerk (~> 2.6)
+    dry-types (1.8.1)
+      bigdecimal (~> 3.0)
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 1.0)
+      dry-inflector (~> 1.0)
+      dry-logic (~> 1.4)
+      zeitwerk (~> 2.6)
+    dry-validation (1.11.1)
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 1.1)
+      dry-initializer (~> 3.2)
+      dry-schema (~> 1.14)
+      zeitwerk (~> 2.6)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -146,7 +182,7 @@ GEM
     rouge (4.5.1)
     rss (0.3.1)
       rexml
-    rubocop (1.70.0)
+    rubocop (1.71.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -194,7 +230,7 @@ DEPENDENCIES
   jekyll-sitemap
   jekyll-target-blank
   just-the-docs
-  rubocop (~> 1.70)
+  rubocop (~> 1.71)
   tzinfo (~> 2.0)
   tzinfo-data
   wdm (~> 0.1.1)