diff --git a/autonomic.gemspec b/autonomic.gemspec
index 612b492..aaf6444 100644
--- a/autonomic.gemspec
+++ b/autonomic.gemspec
@@ -8,7 +8,7 @@ Gem::Specification.new do |spec|
   spec.description = ""
   spec.authors     = ['autonomic co-operative']
   spec.email       = 'autonomic.posteo.net'
-  spec.files       = `git ls-files -z`.split("\x0").select { |f| f.match(%r{^(assets|_layouts|_includes|_sass|LICENSE|README)}i) }
+  spec.files       = 'README.md'
 
   spec.add_development_dependency "jekyll", ">= 4"
   spec.add_development_dependency "bundler", ">= 2.1.4"