diff --git a/packages/ruby_stringio.rb b/packages/ruby_stringio.rb
index d28efd812..0e4a8a2f0 100644
--- a/packages/ruby_stringio.rb
+++ b/packages/ruby_stringio.rb
@@ -7,7 +7,15 @@ class Ruby_stringio < RUBY
   license 'Ruby'
   compatibility 'all'
   source_url 'SKIP'
+  binary_compression 'gem'
+
+  binary_sha256({
+    aarch64: '1ba3f6cd5a6ce7da06ba2764fa543c43c366b9c8110f73966ee98b143ff1b5b3',
+     armv7l: '1ba3f6cd5a6ce7da06ba2764fa543c43c366b9c8110f73966ee98b143ff1b5b3',
+       i686: '91d5249bd0f1c55f6bb8dbb448e3e5aed00a7332d901b1336912a8e51730297f',
+     x86_64: '3f0acdab152899c3b4bd9067513eaaac7b688606a4f08524b8b52b3c360d46f9'
+  })
 
   conflicts_ok
-  no_compile_needed
+  gem_compile_needed
 end