diff --git a/Gemfile.lock b/Gemfile.lock
index 580ca0b..aa34a7f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.13.1)
     simplecov_json_formatter (0.1.4)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     yard (0.9.37)
 
 PLATFORMS