1 files changed, 1 insertions, 0 deletions

diff --git a/t/t0014.ru b/t/t0014.ru
index b0bd2b7..686d214 100644
--- a/t/t0014.ru
+++ b/t/t0014.ru
@@ -1,4 +1,5 @@
 #\ -E none
+# frozen_string_literal: false
 use Rack::ContentLength
 use Rack::ContentType, 'text/plain'
 app = lambda do |env|