diff --git a/arel.gemspec b/arel.gemspec
index 31a3b558a9..0f9eef3833 100644
--- a/arel.gemspec
+++ b/arel.gemspec
@@ -27,5 +27,5 @@ and query generation.
   # circular dependency chain. The solution is for ActiveRecord to release
   # the connection adapters which Arel uses in a separate gem
   # s.add_dependency "activerecord", ">= 3.0.pre"
-  s.add_dependency "activesupport", ">= 3.0.0.beta"
+  s.add_dependency "activesupport", ">= 3.0.0.beta1"
 end
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