diff --git a/Gemfile.lock b/Gemfile.lock
index b073c5b7a..22c84be6c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -400,7 +400,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8)
-    unicode-display_width (2.1.0)
+    unicode-display_width (2.4.2)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)