diff --git a/action_native_push.gemspec b/action_native_push.gemspec
index 6263ff0..942d741 100644
--- a/action_native_push.gemspec
+++ b/action_native_push.gemspec
@@ -20,6 +20,15 @@ Gem::Specification.new do |spec|
     Dir["{app,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.md"]
   end
 
+  spec.post_install_message = <<-MESSAGE
+
+    DEPRECATION WARNING:
+  ! The "action_native_push" gem has been renamed to "action_push_native".
+  ! See: https://rubygems.org/gems/action_push_native
+  ! And: https://github.com/rails/action_push_native
+
+  MESSAGE
+
   spec.required_ruby_version = '>= 3.2.0'
 
   rails_version = ">= 8.0"