diff --git a/Gemfile.lock b/Gemfile.lock
index 91e6762..34d2269 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
     unicode-display_width (3.1.3)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
-    yard (0.9.37)
+    yard (0.9.42)
 
 PLATFORMS
   ruby