diff --git a/Gemfile b/Gemfile
index 407ae6acd..f39b2081d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -115,7 +115,7 @@ group :production do
 end
 
 group :test, :production do
-  gem 'pg', '~> 1.4'
+  gem 'pg', '~> 1.5'
 
   gem "mini_racer", "~> 0.6.3" # TODO: audit whether we can remove this
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 489649093..42aa8b9bb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1502,7 +1502,7 @@ GEM
       faraday (~> 1.4)
       faraday_middleware (~> 1)
     paypalhttp (1.0.1)
-    pg (1.4.6)
+    pg (1.5.3)
     pkg-config (1.5.1)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -1731,7 +1731,7 @@ DEPENDENCIES
   paranoia
   paypal-checkout-sdk
   paypal_client
-  pg (~> 1.4)
+  pg (~> 1.5)
   pry
   puma (~> 5.6)
   puma-heroku