diff --git a/Gemfile b/Gemfile
index b1e74a4..0e697c2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem "rails", "~> 7.0.6"
 gem "propshaft"
 
 # Use postgresql as the database for Active Record
-gem "pg", "~> 1.1"
+gem "pg", "~> 1.5"
 
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", "~> 5.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 0ca1eed..1545494 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
     parser (3.2.2.3)
       ast (~> 2.4.1)
       racc
-    pg (1.5.3)
+    pg (1.5.4)
     propshaft (0.7.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -307,7 +307,7 @@ DEPENDENCIES
   govuk-components
   govuk_design_system_formbuilder
   jsbundling-rails
-  pg (~> 1.1)
+  pg (~> 1.5)
   propshaft
   puma (~> 5.0)
   rails (~> 7.0.6)