diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 1daa980da7..c89928e6e9 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -249,7 +249,7 @@ GEM
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unicode-display_width (1.5.0)
-    yell (2.0.7)
+    yell (2.1.0)
 
 PLATFORMS
   ruby