diff --git a/Gemfile b/Gemfile
index 4acd9cb8..146341df 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 ruby '>= 2.4.0'
 
-gem 'activerecord', '>= 4.2.5', '< 6', require: false
+gem 'activerecord', '>= 4.2.5', '< 9', require: false
 gem 'rake', require: false
 
 group :development do
diff --git a/annotate.gemspec b/annotate.gemspec
index 43b2ac99..9f262572 100644
--- a/annotate.gemspec
+++ b/annotate.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
 
   s.specification_version = 4 if s.respond_to? :specification_version
   s.add_runtime_dependency(%q<rake>, '>= 10.4', '< 14.0')
-  s.add_runtime_dependency(%q<activerecord>, ['>= 3.2', '< 8.0'])
+  s.add_runtime_dependency(%q<activerecord>, ['>= 3.2', '< 9.0'])
 
   s.metadata = {
     "bug_tracker_uri" => "https://github.com/ctran/annotate_models/issues/",
diff --git a/lib/annotate/version.rb b/lib/annotate/version.rb
index e103c6b8..f63d8a3e 100644
--- a/lib/annotate/version.rb
+++ b/lib/annotate/version.rb
@@ -1,5 +1,5 @@
 module Annotate
   def self.version
-    '3.2.0'
+    '3.2.1'
   end
 end