diff --git a/Gemfile.lock b/Gemfile.lock
index 01d4bf06..13726c5c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -376,7 +376,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     warden (1.2.9)
       rack (>= 2.0.9)
     webdrivers (5.3.1)