diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 049e62c8..1e3f3435 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         entry:
           - name: 'Minimum supported'
-            ruby: '2.7'
+            ruby: '3.0'
             gemfile: "Gemfile.min-supported"
           - name: 'Latest released & run rubocop'
             ruby: '3.2'
diff --git a/Gemfile b/Gemfile
index 58ce7e67..9b8ee48c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem "rubocop-shopify", "~> 2.9.0", require: false
 gem "mysql2", "~> 0.5.3", platform: :mri
 gem "pg", ">= 0.18", "< 2.0", platform: :mri
 gem "memcached", "~> 1.8.0", platform: :mri
-gem "memcached_store", "~> 1.0.0", platform: :mri
+gem "memcached_store", "~> 2.3.2", platform: :mri
 gem "dalli", "~> 2.7.11"
 gem "cityhash", "~> 0.6.0", platform: :mri
 
diff --git a/dev.yml b/dev.yml
index 602741a5..50b8e923 100644
--- a/dev.yml
+++ b/dev.yml
@@ -5,7 +5,7 @@ up:
     - mysql-client@5.7:
         or:        [mysql@5.7]
         conflicts: [mysql-connector-c, mysql, mysql-client]
-  - ruby: 3.2.0
+  - ruby: 3.2.2
   - isogun
   - bundler
 
diff --git a/gemfiles/Gemfile.min-supported b/gemfiles/Gemfile.min-supported
index 8c85d373..16ffb3fa 100644
--- a/gemfiles/Gemfile.min-supported
+++ b/gemfiles/Gemfile.min-supported
@@ -3,10 +3,10 @@ gemspec path: ".."
 
 gem "ar_transaction_changes", "~> 1.1.0"
 
-gem "activerecord", "~> 5.2.0"
-gem "mysql2", "~> 0.4.4"
-gem "pg", "~> 0.18.0"
+gem "activerecord", "~> 7.0.0"
+gem "mysql2", "~> 0.5"
+gem "pg", "~> 1.1"
 gem "memcached", "~> 1.8.0"
-gem "memcached_store", "~> 1.0.0"
+gem "memcached_store", "~> 2.3.2"
 gem "dalli", "~> 2.7.11"
 gem "cityhash", "~> 0.6.0"
diff --git a/identity_cache.gemspec b/identity_cache.gemspec
index e2237738..c57fa8fb 100644
--- a/identity_cache.gemspec
+++ b/identity_cache.gemspec
@@ -31,15 +31,15 @@ Gem::Specification.new do |gem|
   gem.require_paths = ["lib"]
   gem.version       = IdentityCache::VERSION
 
-  gem.required_ruby_version = ">= 2.5.0"
+  gem.required_ruby_version = ">= 3.0.0"
 
   gem.metadata["allowed_push_host"] = "https://rubygems.org"
 
-  gem.add_dependency("activerecord", ">= 5.2")
+  gem.add_dependency("activerecord", ">= 7.0")
   gem.add_dependency("ar_transaction_changes", "~> 1.1")
 
   gem.add_development_dependency("minitest", "~> 5.14")
-  gem.add_development_dependency("mocha", "~> 1.12")
+  gem.add_development_dependency("mocha", "~> 2.0")
   gem.add_development_dependency("rake", "~> 13.0")
   gem.add_development_dependency("spy", "~> 1.0")
 end
diff --git a/test/fetch_test.rb b/test/fetch_test.rb
index 08b4d06d..612fbdce 100644
--- a/test/fetch_test.rb
+++ b/test/fetch_test.rb
@@ -238,7 +238,7 @@ def test_fetch_by_title_hit
     end
 
     # Id not found, use sql, SELECT id FROM records WHERE title = '...' LIMIT 1"
-    Item.connection.expects(:exec_query).returns(ActiveRecord::Result.new(["id"], [[1]]))
+    Item.connection.expects(ar_query_method(Item.connection)).returns(ActiveRecord::Result.new(["id"], [[1]]))
 
     result = Item.fetch_by_title("bob")
     assert_instance_of(Item, result)
diff --git a/test/index_cache_test.rb b/test/index_cache_test.rb
index f2892239..f80bd6cd 100644
--- a/test/index_cache_test.rb
+++ b/test/index_cache_test.rb
@@ -34,7 +34,7 @@ def test_fetch_with_garbage_input
   def test_fetch_with_unique_adds_limit_clause
     Item.cache_index(:title, :id, unique: true)
 
-    Item.connection.expects(:exec_query)
+    Item.connection.expects(ar_query_method(Item.connection))
       .with(regexp_matches(/ LIMIT [1?]\Z/i), any_parameters)
       .returns(ActiveRecord::Result.new([], []))
 
diff --git a/test/load_strategy/multi_load_request_test.rb b/test/load_strategy/multi_load_request_test.rb
index ad31c56c..94aec97d 100644
--- a/test/load_strategy/multi_load_request_test.rb
+++ b/test/load_strategy/multi_load_request_test.rb
@@ -20,7 +20,7 @@ def test_after_load
           id     = n.next
           letter = ("a".."z").to_a[n].to_sym
           callback = proc {}
-          callback.expects(:call).with(id => letter)
+          callback.expects(:call).with({ id => letter })
           LoadRequest.new([id], callback)
         end
         multi_load_request = MultiLoadRequest.new(load_requests)
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 17f4366b..86f36b62 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -15,7 +15,6 @@
 DatabaseConnection.setup
 CacheConnection.setup
 
-MiniTest::Test = MiniTest::Unit::TestCase unless defined?(MiniTest::Test)
 module IdentityCache
   class TestCase < Minitest::Test
     include ActiveRecordObjects
@@ -43,6 +42,14 @@ def teardown
 
     private
 
+    def ar_query_method(connection)
+      if connection.respond_to?(:internal_exec_query, true)
+        :internal_exec_query
+      else
+        :exec_query
+      end
+    end
+
     def create(class_symbol)
       class_symbol.to_s.classify.constantize.create!
     end