diff --git a/VERSION b/VERSION
index d35a9b83a..66cac3478 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-7.1.0.alpha
+8.0.0.alpha
diff --git a/activerecord-oracle_enhanced-adapter.gemspec b/activerecord-oracle_enhanced-adapter.gemspec
index 96a27f341..70812c282 100644
--- a/activerecord-oracle_enhanced-adapter.gemspec
+++ b/activerecord-oracle_enhanced-adapter.gemspec
@@ -26,7 +26,7 @@ This adapter is superset of original ActiveRecord Oracle adapter.
     "rubygems_mfa_required" => "true"
   }
 
-  s.add_runtime_dependency("activerecord", ["~> 7.1.0"])
+  s.add_runtime_dependency("activerecord", [">= 7.1.0", "< 8.1"])
   s.add_runtime_dependency("ruby-plsql", [">= 0.6.0"])
   if /java/.match?(RUBY_PLATFORM)
     s.platform = Gem::Platform.new("java")