1 files changed, 14 insertions, 6 deletions
diff --git a/ext/strscan/strscan.gemspec b/ext/strscan/strscan.gemspec
index 8a61c7abe6..a51285fa7e 100644
--- a/ext/strscan/strscan.gemspec
+++ b/ext/strscan/strscan.gemspec
@@ -16,19 +16,27 @@ Gem::Specification.new do |s|
   s.summary = "Provides lexical scanning operations on a String."
   s.description = "Provides lexical scanning operations on a String."
 
-  files = [
-    "COPYING",
-    "LICENSE.txt",
+  files = %w[
+    COPYING
+    LICENSE.txt
+    lib/strscan.rb
+    lib/strscan/strscan.rb
+    lib/strscan/truffleruby.rb
   ]
+
+  s.require_paths = %w{lib}
+
   if RUBY_ENGINE == "jruby"
-    s.require_paths = %w{ext/jruby/lib lib}
-    files << "ext/jruby/lib/strscan.rb"
     files << "lib/strscan.jar"
     s.platform = "java"
   else
-    s.require_paths = %w{lib}
     files << "ext/strscan/extconf.rb"
     files << "ext/strscan/strscan.c"
+    s.rdoc_options << "-idoc"
+    s.extra_rdoc_files = [
+      ".rdoc_options",
+      *Dir.glob("doc/strscan/**/*")
+    ]
     s.extensions = %w{ext/strscan/extconf.rb}
   end
   s.files = files