diff --git a/Gemfile b/Gemfile
index 706758cec..ab4311f67 100644
--- a/Gemfile
+++ b/Gemfile
@@ -71,7 +71,7 @@ gem "rack-timeout", "~> 0.5" # Rack middleware which aborts requests that have b
 gem "rails", "~> 5.2", ">= 5.2.3" # Ruby on Rails
 gem "rails-assets-airbrake-js-client", "~> 1.6", source: "https://rails-assets.org" # Airbrake JavaScript Notifier
 gem "rails-observers", "~> 0.1" # Rails observer (removed from core in Rails 4.0)
-gem "recaptcha", "~> 5.1", require: "recaptcha/rails" # Helpers for the reCAPTCHA API
+gem "recaptcha", "~> 5.2", require: "recaptcha/rails" # Helpers for the reCAPTCHA API
 gem "redcarpet", "~> 3.5" # A fast, safe and extensible Markdown to (X)HTML parser
 gem "reverse_markdown", "~> 1.3" # Map simple html back into markdown
 gem "rolify", "~> 5.2" # Very simple Roles library
diff --git a/Gemfile.lock b/Gemfile.lock
index 87d244356..1cc4eddfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -608,7 +608,7 @@ GEM
       ffi (~> 1.0)
     rbtree3 (0.5.0)
     rdoc (6.1.1)
-    recaptcha (5.1.1)
+    recaptcha (5.2.1)
       json
     redcarpet (3.5.0)
     regexp_parser (1.6.0)
@@ -943,7 +943,7 @@ DEPENDENCIES
   rails (~> 5.2, >= 5.2.3)
   rails-assets-airbrake-js-client (~> 1.6)!
   rails-observers (~> 0.1)
-  recaptcha (~> 5.1)
+  recaptcha (~> 5.2)
   redcarpet (~> 3.5)
   reverse_markdown (~> 1.3)
   rolify (~> 5.2)