diff --git a/text_chart.gemspec b/text_chart.gemspec
index d42e52f..726fcb1 100644
--- a/text_chart.gemspec
+++ b/text_chart.gemspec
@@ -17,6 +17,6 @@ Gem::Specification.new do |spec|
   spec.metadata["source_code_uri"] = spec.homepage
   spec.metadata["changelog_uri"] = "#{spec.homepage}/blob/main/CHANGELOG.md"
 
-  spec.files = Dir.glob("lib/podrb{.rb,/**/*}")
+  spec.files = Dir.glob("lib/text_chart{.rb,/**/*}")
   spec.require_paths = ["lib"]
 end