diff --git a/mat_views_demo/Gemfile b/mat_views_demo/Gemfile
index fb77935..e4bf4f4 100644
--- a/mat_views_demo/Gemfile
+++ b/mat_views_demo/Gemfile
@@ -6,7 +6,7 @@ gem 'bootsnap', require: false
 gem 'csv'
 gem 'importmap-rails'
 gem 'mat_views', path: '../mat_views'
-gem 'pg', '~> 1.1'
+gem 'pg', '~> 1.6'
 gem 'propshaft'
 gem 'puma', '>= 5.0'
 gem 'rails', '~> 8.1.1'
diff --git a/mat_views_demo/Gemfile.lock b/mat_views_demo/Gemfile.lock
index 5a40e46..7e96328 100644
--- a/mat_views_demo/Gemfile.lock
+++ b/mat_views_demo/Gemfile.lock
@@ -158,13 +158,13 @@ GEM
       racc (~> 1.4)
     nokogiri (1.18.10-x86_64-linux-musl)
       racc (~> 1.4)
-    pg (1.6.2)
-    pg (1.6.2-aarch64-linux)
-    pg (1.6.2-aarch64-linux-musl)
-    pg (1.6.2-arm64-darwin)
-    pg (1.6.2-x86_64-darwin)
-    pg (1.6.2-x86_64-linux)
-    pg (1.6.2-x86_64-linux-musl)
+    pg (1.6.3)
+    pg (1.6.3-aarch64-linux)
+    pg (1.6.3-aarch64-linux-musl)
+    pg (1.6.3-arm64-darwin)
+    pg (1.6.3-x86_64-darwin)
+    pg (1.6.3-x86_64-linux)
+    pg (1.6.3-x86_64-linux-musl)
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
@@ -286,7 +286,7 @@ DEPENDENCIES
   debug
   importmap-rails
   mat_views!
-  pg (~> 1.1)
+  pg (~> 1.6)
   propshaft
   puma (>= 5.0)
   rails (~> 8.1.1)