diff --git a/Gemfile b/Gemfile
index 22c3b5a..43d94cd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem "actionview", ">= 5.1.6.2"
 # Use postgres as the database for Active Record
 gem "pg"
 # Use Puma as the app server
-gem "puma", "~> 3.7"
+gem "puma", "~> 3.12"
 # Use SCSS for stylesheets
 gem "sass-rails", "~> 5.0"
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 52345e8..f2f586e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -255,7 +255,7 @@ GEM
       method_source (~> 0.9.0)
     psych (3.1.0)
     public_suffix (4.0.1)
-    puma (3.12.1)
+    puma (3.12.4)
     rack (2.0.7)
     rack-protection (2.0.7)
       rack
@@ -471,7 +471,7 @@ DEPENDENCIES
   overcommit (~> 0.51.0)
   paperclip
   pg
-  puma (~> 3.7)
+  puma (~> 3.12)
   rack (>= 2.0.6)
   rails (~> 6.0.1)
   rails_best_practices (~> 1.19)