diff --git a/Gemfile.lock b/Gemfile.lock
index 90323d6cd..52a8249cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -665,7 +665,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (2.2.0)
+    unicode-display_width (1.7.0)
     uniform_notifier (1.14.2)
     uuidtools (2.1.5)
     view_component (2.69.0)