diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8df14c3e..baa50212 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,14 +31,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.2", "3.3"]
-        rails: ["7.1", "7.2"]
+        ruby: ["3.4", "3.3"]
+        rails: ["8.0", "7.2"]
         continue-on-error: [false]
         include:
-          - ruby: "head"
-            rails: "7.2"
-            continue-on-error: true
-          - ruby: "3.3"
+          - ruby: "3.4"
             rails: "main"
             continue-on-error: true
           - ruby: "head"
diff --git a/.gitignore b/.gitignore
index 92bd1ab4..fc45e753 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@ tmp
 gemfiles/*.lock
 .DS_Store
 .ruby-version
+.vscode/
diff --git a/Gemfile b/Gemfile
index 5fffd0bf..eafc2e3a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in scenic.gemspec
 gemspec
 
-rails_version = ENV.fetch("RAILS_VERSION", "7.0")
+rails_version = ENV.fetch("RAILS_VERSION", "8.0")
 
 rails_constraint = if rails_version == "main"
   {github: "rails/rails"}
diff --git a/spec/dummy/config/application.rb b/spec/dummy/config/application.rb
index e0d706e5..0e3639a5 100644
--- a/spec/dummy/config/application.rb
+++ b/spec/dummy/config/application.rb
@@ -11,5 +11,9 @@ class Application < Rails::Application
     config.cache_classes = true
     config.eager_load = false
     config.active_support.deprecation = :stderr
+
+    if config.active_support.respond_to?(:to_time_preserves_timezone)
+      config.active_support.to_time_preserves_timezone = :zone
+    end
   end
 end