diff --git a/Gemfile b/Gemfile
index 9ae2af2b..49943d72 100644
--- a/Gemfile
+++ b/Gemfile
@@ -72,7 +72,7 @@ gem 'acts-as-taggable-on', '~> 12.0.0'
 # Ordering library to order traits, actions, etc on monster and other cards
 gem 'acts_as_list', '~> 1.2.0'
 # Google re-captcha for sign-up process
-gem 'recaptcha', '~> 5.19.0', require: 'recaptcha/rails'
+gem 'recaptcha', '~> 5.21.0', require: 'recaptcha/rails'
 
 # Ruby web server built for concurrency and performance
 gem 'puma', '~> 6.6.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 48d47305..c461818f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -352,7 +352,7 @@ GEM
     rdoc (6.14.0)
       erb
       psych (>= 4.0.0)
-    recaptcha (5.19.0)
+    recaptcha (5.21.1)
     redcarpet (3.6.1)
     regexp_parser (2.9.2)
     reline (0.6.1)
@@ -488,7 +488,7 @@ DEPENDENCIES
   rails-controller-testing
   rails_12factor (= 0.0.3)
   rails_stdout_logging (= 0.0.5)
-  recaptcha (~> 5.19.0)
+  recaptcha (~> 5.21.0)
   redcarpet (~> 3.3)
   remotipart (~> 1.3)
   rubocop (~> 1.56)
@@ -514,4 +514,4 @@ RUBY VERSION
    ruby 3.3.1p55
 
 BUNDLED WITH
-   2.6.8
+   2.7.1