diff --git a/lib/tempfile.rb b/lib/tempfile.rb
index 36b0e1a481..d068dd603c 100644
--- a/lib/tempfile.rb
+++ b/lib/tempfile.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 #
 # tempfile - manipulates temporary files
 #
diff --git a/test/test_tempfile.rb b/test/test_tempfile.rb
index cd2828df37..361613173f 100644
--- a/test/test_tempfile.rb
+++ b/test/test_tempfile.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'tempfile'
 require 'thread'