diff --git a/Gemfile b/Gemfile
index f34d966c528ec2b345c35d79653873cb60eac27d..6ffb7fc65c85ea8c8a073dc1dce6844e9a6d0cd4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,7 @@ gem 'omniauth_openid_connect', '~> 0.4.0'
 gem 'omniauth-twitter', '~> 1.4.0'
 gem 'pagy', '~> 3.11.0'
 gem 'pluck_to_hash', '~> 1.0.2'
-gem 'puma', '~> 4.3.11'
+gem 'puma', '~> 4.3.12'
 gem 'rails', '~> 5.2.6.3'
 gem 'random_password', '~> 0.1.1'
 gem "recaptcha", '~> 5.7.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8bfe7fa8c1a44354960623393598b25c9d6386dc..0ae93cd96c3b625e67c2082a70f275aabd476c3d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -285,7 +285,7 @@ GEM
       activesupport (>= 4.0.2)
     popper_js (1.16.0)
     public_suffix (4.0.6)
-    puma (4.3.11)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -496,7 +496,7 @@ DEPENDENCIES
   pagy (~> 3.11.0)
   pg (~> 0.18)
   pluck_to_hash (~> 1.0.2)
-  puma (~> 4.3.11)
+  puma (~> 4.3.12)
   rails (~> 5.2.6.3)
   rails-controller-testing (~> 1.0)
   random_password (~> 0.1.1)