diff --git a/Gemfile.lock b/Gemfile.lock
index df085b4..fdc9f91 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    active_outbox (0.1.2)
+    active_outbox (0.1.3)
       dry-configurable (~> 1.0)
       rails (>= 6.1)
 
diff --git a/active_outbox.gemspec b/active_outbox.gemspec
index c27a1d0..53a7927 100644
--- a/active_outbox.gemspec
+++ b/active_outbox.gemspec
@@ -5,7 +5,7 @@ Gem::Specification.new do |spec|
   spec.files                 = Dir['LICENSE.txt', 'README.md', 'lib/**/*', 'lib/active_outbox.rb']
   spec.name                  = 'active_outbox'
   spec.summary               = 'A Transactional Outbox implementation for ActiveRecord'
-  spec.version               = '0.1.2'
+  spec.version               = '0.1.3'
 
   spec.email                 = 'guillermoaguirre1@gmail.com'
   spec.executables           = ['outbox']
diff --git a/lib/active_outbox/adapter_helper.rb b/lib/active_outbox/adapter_helper.rb
index a24c8e1..0a873e5 100644
--- a/lib/active_outbox/adapter_helper.rb
+++ b/lib/active_outbox/adapter_helper.rb
@@ -16,6 +16,12 @@ def self.json_type
       'string'
     end
 
+    def self.bigint_type
+      return 'bigint' if postgres? || mysql?
+
+      'integer'
+    end
+
     def self.postgres?
       ActiveRecord::Base.connection.adapter_name.downcase == 'postgresql'
     end
diff --git a/lib/generators/active_outbox/model/model_generator.rb b/lib/generators/active_outbox/model/model_generator.rb
index d6d5c37..833e999 100644
--- a/lib/generators/active_outbox/model/model_generator.rb
+++ b/lib/generators/active_outbox/model/model_generator.rb
@@ -50,7 +50,7 @@ def table_name
       end
 
       def aggregate_identifier_type
-        options['uuid'].present? ? ActiveOutbox::AdapterHelper.uuid_type : 'integer'
+        options['uuid'].present? ? ActiveOutbox::AdapterHelper.uuid_type : ActiveOutbox::AdapterHelper.bigint_type
       end
     end
   end
diff --git a/spec/lib/active_outbox/generators/model_generator_spec.rb b/spec/lib/active_outbox/generators/model_generator_spec.rb
index e706f84..74d0b21 100644
--- a/spec/lib/active_outbox/generators/model_generator_spec.rb
+++ b/spec/lib/active_outbox/generators/model_generator_spec.rb
@@ -145,7 +145,7 @@ def change
       context 'with id aggregate_identifier' do
         subject(:generate) { run_generator(["--component_path=#{destination_root}"]) }
 
-        let(:aggregate_identifier_types) { %w[integer integer integer] }
+        let(:aggregate_identifier_types) { %w[bigint integer bigint] }
 
         include_examples 'creates the correct migrations for supported adapters'
       end
@@ -188,7 +188,7 @@ def change
       context 'with id aggregate_identifier' do
         subject(:generate) { run_generator([table_name, "--component_path=#{destination_root}"]) }
 
-        let(:aggregate_identifier_types) { %w[integer integer integer] }
+        let(:aggregate_identifier_types) { %w[bigint integer bigint] }
 
         include_examples 'creates the correct migrations for supported adapters'
       end