diff --git a/Gemfile.lock b/Gemfile.lock
index 201d56b..6dd2fea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     uuidable (1.0.rc1)
-      activerecord (>= 4.2, < 7.1)
+      activerecord (>= 4.2, < 7.2)
       mysql-binuuid-rails (>= 1.3, < 2)
       uuidtools (>= 2.1, < 3)
 
@@ -110,7 +110,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.11)
+  bundler (~> 2.4)
   rake (~> 13.0)
   rspec (~> 3.0)
   rubocop
@@ -118,4 +118,4 @@ DEPENDENCIES
   uuidable!
 
 BUNDLED WITH
-   1.17.3
+   2.4.22
diff --git a/lib/uuidable/migration.rb b/lib/uuidable/migration.rb
index 541d7be..d6f5af0 100644
--- a/lib/uuidable/migration.rb
+++ b/lib/uuidable/migration.rb
@@ -14,8 +14,8 @@ def uuid(column_name = COLUMN_NAME, **opts)
 
       column_name ||= opts.delete(:column_name)
 
-      column column_name, COLUMN_TYPE, COLUMN_OPTIONS.merge(opts)
-      index column_name, INDEX_OPTIONS.merge(index_opts) if index_opts
+      column column_name, COLUMN_TYPE, **COLUMN_OPTIONS.merge(opts)
+      index column_name, **INDEX_OPTIONS.merge(index_opts) if index_opts
     end
   end
 
@@ -27,7 +27,7 @@ def add_uuid_column(table_name, column_name = COLUMN_NAME, **opts)
 
       column_name ||= opts.delete(:column_name)
 
-      add_column table_name, column_name, COLUMN_TYPE, COLUMN_OPTIONS.merge(opts)
+      add_column table_name, column_name, COLUMN_TYPE, **COLUMN_OPTIONS.merge(opts)
 
       add_uuid_index(table_name, index_opts.merge(column_name: column_name)) if index_opts
     end
@@ -35,7 +35,7 @@ def add_uuid_column(table_name, column_name = COLUMN_NAME, **opts)
     def add_uuid_index(table_name, opts = {})
       column_name = opts.delete(:column_name) || COLUMN_NAME
 
-      add_index table_name, column_name, INDEX_OPTIONS.merge(opts)
+      add_index table_name, column_name, **INDEX_OPTIONS.merge(opts)
     end
   end
 end
diff --git a/lib/uuidable/v1_migration_helpers.rb b/lib/uuidable/v1_migration_helpers.rb
index d6c3fd7..cef8bd1 100644
--- a/lib/uuidable/v1_migration_helpers.rb
+++ b/lib/uuidable/v1_migration_helpers.rb
@@ -9,7 +9,7 @@ module V1MigrationHelpers
     def uuidable_migrate_uuid_columns_to_v1(table_name, **columns)
       change_table table_name, bulk: true do |t|
         columns.each do |column, options|
-          t.column :"#{column}_new", :binary, COLUMN_OPTIONS.merge(options).merge(after: column)
+          t.column :"#{column}_new", :binary, **COLUMN_OPTIONS.merge(options).merge(after: column)
         end
       end
 
diff --git a/uuidable.gemspec b/uuidable.gemspec
index 3bdd5f6..91b637b 100644
--- a/uuidable.gemspec
+++ b/uuidable.gemspec
@@ -22,12 +22,12 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = '>= 2.7'
 
-  spec.add_development_dependency 'bundler', '~> 1.11'
+  spec.add_development_dependency 'bundler', '~> 2.4'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'travis', '~> 1.8', '>= 1.8.2'
 
-  spec.add_dependency 'activerecord', '>= 4.2', '< 7.1'
+  spec.add_dependency 'activerecord', '>= 4.2', '< 7.2'
   spec.add_dependency 'mysql-binuuid-rails', '>= 1.3', '< 2'
   spec.add_dependency 'uuidtools', '>= 2.1', '< 3'
 end