diff --git a/Gemfile b/Gemfile
index d0218cfe..7eae7c0d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem 'whenever', require: false
 gem 'bcrypt', '~> 3.1.7'
 gem 'has_secure_token'
 
-gem 'puma', '~> 3.7'
+gem 'puma', '~> 3.12'
 
 gem 'bugsnag'
 gem 'snitcher'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0ab8fec4..080829c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,7 +164,7 @@ GEM
       arel (>= 6)
     powerpack (0.1.1)
     public_suffix (3.0.1)
-    puma (3.11.0)
+    puma (3.12.2)
     rack (2.0.8)
     rack-protection (2.0.5)
       rack
@@ -318,7 +318,7 @@ DEPENDENCIES
   ougai
   pg (~> 0.20.0)
   pg_search
-  puma (~> 3.7)
+  puma (~> 3.12)
   rails (~> 5.1.4)
   redis-rails
   rubocop