diff --git a/Gemfile b/Gemfile
index 18a0c3c19a..bbfb014dac 100644
--- a/Gemfile
+++ b/Gemfile
@@ -76,7 +76,7 @@ gem 'jwt', '~> 2.2.1'
 
 # contact mail form
 gem 'mail_form', '~> 1.8.0'
-gem 'recaptcha', '~> 5.1.0', require: 'recaptcha/rails'
+gem 'recaptcha', '~> 5.1.1', require: 'recaptcha/rails'
 
 # authorization
 gem 'pundit', '~> 2.1.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index bc16e2f48c..7d36c78610 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -326,7 +326,7 @@ GEM
     rb-inotify (0.10.0)
       ffi (~> 1.0)
     rb-readline (0.5.5)
-    recaptcha (5.1.0)
+    recaptcha (5.1.1)
       json
     ref (2.0.0)
     regexp_parser (1.6.0)
@@ -472,7 +472,7 @@ DEPENDENCIES
   rails-i18n (~> 6.0.0)
   rails_server_timings (~> 1.0.8)
   rb-readline (~> 0.5.5)
-  recaptcha (~> 5.1.0)
+  recaptcha (~> 5.1.1)
   rouge (= 3.11.0)
   rubocop-rails (~> 2.3.2)
   rubyzip (~> 1.3.0)