diff --git a/Gemfile.lock b/Gemfile.lock
index c3cb0121..01004e5c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     vernier (1.1.1)
 
 PLATFORMS