diff --git a/Gemfile b/Gemfile
index d3dd7c1..9505d5a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -61,6 +61,10 @@ group :development do
   gem "web-console"
 end
 
+group :production do
+  gem 'pg', '~> 1.5'
+end
+
 group :test do
   # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
   gem "capybara"
diff --git a/Gemfile.lock b/Gemfile.lock
index 317fb06..e161c11 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -241,6 +241,7 @@ GEM
     parser (3.3.7.0)
       ast (~> 2.4.1)
       racc
+    pg (1.5.9)
     propshaft (1.1.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -434,6 +435,7 @@ DEPENDENCIES
   jbuilder
   jsbundling-rails
   kamal
+  pg (~> 1.5)
   propshaft
   puma (>= 5.0)
   rails (~> 8.0.1)