Index: lib/rubygems/dependency_installer.rb
--- lib/rubygems/dependency_installer.rb.orig
+++ lib/rubygems/dependency_installer.rb
@@ -21,7 +21,7 @@ class Gem::DependencyInstaller
     document: %w[ri],
     domain: :both, # HACK: dup
     force: false,
-    format_executable: false, # HACK: dup
+    format_executable: true, # HACK: dup
     ignore_dependencies: false,
     prerelease: false,
     security_policy: nil, # HACK: NoSecurity requires OpenSSL. AlmostNo? Low?
