diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bbfaae..2edc7bb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,13 +10,13 @@ jobs:
           - 15
           - 16
         ruby:
-          - "3.1"
           - "3.2"
           - "3.3"
         gemfile:
           - rails_7.0
           - rails_7.1
           - rails_7.2
+          - rails_8.0
     name: PostgreSQL ${{ matrix.pg }} - Ruby ${{ matrix.ruby }} - ${{ matrix.gemfile }}
     runs-on: ubuntu-latest
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
diff --git a/Appraisals b/Appraisals
index 25e827e..94f198f 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,11 +1,15 @@
 appraise "rails-7.0" do
-  gem "rails", "7.0.8"
+  gem "rails", "~> 7.0.0"
 end
 
 appraise "rails-7.1" do
-  gem "rails", "7.1.5"
+  gem "rails", "~> 7.1.0"
 end
 
 appraise "rails-7.2" do
-  gem "rails", "7.2.2"
+  gem "rails", "~> 7.2.0"
+end
+
+appraise "rails-8.0" do
+  gem "rails", "~> 8.0.0"
 end
diff --git a/Gemfile b/Gemfile
index 003d427..84e90a8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,4 +4,3 @@ git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in pg_ha_migrations.gemspec
 gemspec
-
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_7.0.gemfile
index c86e7bc..9af0ae3 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "7.0.8"
+gem "rails", "~> 7.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.1.gemfile b/gemfiles/rails_7.1.gemfile
index 0e56cd3..35a0ba3 100644
--- a/gemfiles/rails_7.1.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "7.1.5"
+gem "rails", "~> 7.1.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.2.gemfile b/gemfiles/rails_7.2.gemfile
index 247e05d..92cc2b2 100644
--- a/gemfiles/rails_7.2.gemfile
+++ b/gemfiles/rails_7.2.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "7.2.2"
+gem "rails", "~> 7.2.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_8.0.gemfile b/gemfiles/rails_8.0.gemfile
new file mode 100644
index 0000000..3b3765b
--- /dev/null
+++ b/gemfiles/rails_8.0.gemfile
@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rails", "~> 8.0.0"
+
+gemspec path: "../"
diff --git a/lib/pg_ha_migrations/allowed_versions.rb b/lib/pg_ha_migrations/allowed_versions.rb
index 06f194e..0e0cf17 100644
--- a/lib/pg_ha_migrations/allowed_versions.rb
+++ b/lib/pg_ha_migrations/allowed_versions.rb
@@ -1,7 +1,7 @@
 require "active_record/migration/compatibility"
 
 module PgHaMigrations::AllowedVersions
-  ALLOWED_VERSIONS = [4.2, 5.0, 5.1, 5.2, 6.0, 6.1, 7.0, 7.1, 7.2].map do |v|
+  ALLOWED_VERSIONS = [4.2, 5.0, 5.1, 5.2, 6.0, 6.1, 7.0, 7.1, 7.2, 8.0].map do |v|
     begin
       ActiveRecord::Migration[v]
     rescue ArgumentError
diff --git a/pg_ha_migrations.gemspec b/pg_ha_migrations.gemspec
index 07f5ef6..540b69e 100644
--- a/pg_ha_migrations.gemspec
+++ b/pg_ha_migrations.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "pry-byebug"
   spec.add_development_dependency "appraisal", "~> 2.5"
 
-  spec.add_dependency "rails", ">= 7.0", "< 7.3"
+  spec.add_dependency "rails", ">= 7.0", "< 8.1"
   spec.add_dependency "relation_to_struct", ">= 1.5.1"
   spec.add_dependency "ruby2_keywords"
 end
diff --git a/spec/safe_statements_spec.rb b/spec/safe_statements_spec.rb
index 172fca7..2fc35e0 100644
--- a/spec/safe_statements_spec.rb
+++ b/spec/safe_statements_spec.rb
@@ -2708,7 +2708,13 @@ def up
 
           it "doesn't acquire a lock which prevents concurrent reads and writes" do
             alternate_connection_pool = ActiveRecord::ConnectionAdapters::ConnectionPool.new(pool_config)
-            alternate_connection = alternate_connection_pool.connection
+
+            # The #connection method was deprecated in Rails 7.2 in favor of #lease_connection
+            alternate_connection = if alternate_connection_pool.respond_to?(:lease_connection)
+              alternate_connection_pool.lease_connection
+            else
+              alternate_connection_pool.connection
+            end
 
             alternate_connection.execute("BEGIN")
             alternate_connection.execute("LOCK TABLE foos")
@@ -4069,7 +4075,12 @@ def up
               ActiveRecord::ConnectionAdapters::ConnectionPool.new(pool_config)
             end
             let(:alternate_connection) do
-              alternate_connection_pool.connection
+              # The #connection method was deprecated in Rails 7.2 in favor of #lease_connection
+              if alternate_connection_pool.respond_to?(:lease_connection)
+                alternate_connection_pool.lease_connection
+              else
+                alternate_connection_pool.connection
+              end
             end
             let(:migration) { Class.new(migration_klass).new }