diff --git a/Gemfile.lock b/Gemfile.lock
index c6f59bd..a0ff9c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
     seven_zip_ruby (1.3.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
 
 PLATFORMS
   x86_64-linux