diff --git a/activerecord/activerecord.gemspec b/activerecord/activerecord.gemspec
index 7b62c98c6e..7ad06fe840 100644
--- a/activerecord/activerecord.gemspec
+++ b/activerecord/activerecord.gemspec
@@ -31,5 +31,5 @@ Gem::Specification.new do |s|
   s.add_dependency "activesupport", version
   s.add_dependency "activemodel",   version
 
-  s.add_dependency "arel", "~> 8.0"
+  s.add_dependency "arel", "9.0.0.alpha"
 end