diff --git a/Gemfile b/Gemfile
index 646ecaf..4dfaf11 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '2.6.3'
 
 gem 'rails', '~> 5.2.3'
 gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 gem 'bootsnap', '>= 1.1.0', require: false
 gem 'haml-rails', '~> 2.0'
 gem 'devise_invitable', '~> 2.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index fd57f54..cb2d099 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.10)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.3)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -245,7 +245,7 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
   pry-byebug
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 5.2.3)
   rspec-rails (~> 3.8)
   spring