diff --git a/Gemfile b/Gemfile
index bad161b..6770920 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem 'puma', '~> 6.4'
 gem 'rainbow', '~> 3.1', '>= 3.1.1'
 gem 'rake', '~> 13.2', '>= 13.2.1'
 gem 'rqrcode', '~> 2.0'
-gem 'ruby-units', '~> 4.0', '>= 4.0.3'
+gem 'ruby-units', '~> 4.1'
 gem 'simple_monads', '~> 1.0'
 gem 'sinatra', '~> 4.0'
 gem 'sinatra-contrib', '~> 4.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 03ac6f1..b859870 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
     rubocop-rspec (3.0.5)
       rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
-    ruby-units (4.0.3)
+    ruby-units (4.1.0)
     ruby2_keywords (0.0.5)
     sentry-ruby (5.20.1)
       bigdecimal
@@ -177,7 +177,7 @@ DEPENDENCIES
   rubocop (~> 1.66)
   rubocop-rake (~> 0.6.0)
   rubocop-rspec (~> 3.0)
-  ruby-units (~> 4.0, >= 4.0.3)
+  ruby-units (~> 4.1)
   sentry-ruby (~> 5.20)
   simple_monads (~> 1.0)
   simplecov