diff --git a/Gemfile b/Gemfile
index 40c9a91..6e61239 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ ruby '2.5.1'
 gem 'active_model_serializers'
 gem 'rails', '~> 5.2.1', '>= 5.2.1.1'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'bootsnap', '>= 1.1.0', require: false
 gem 'search_object'
 gem 'search_object_graphql'
diff --git a/Gemfile.lock b/Gemfile.lock
index bc2b3db..ee9d353 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
       ast (~> 2.4.0)
     pg (1.1.4)
     public_suffix (3.0.3)
-    puma (3.12.1)
+    puma (3.12.4)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-test (1.1.0)
@@ -272,7 +272,7 @@ DEPENDENCIES
   listen
   overcommit
   pg (>= 0.18, < 2.0)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rack-cors
   rails (~> 5.2.1, >= 5.2.1.1)
   rspec-rails