diff --git a/Gemfile.lock b/Gemfile.lock
index 94a36d31..70709b1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -163,9 +163,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.7.0)
-    yard (0.9.28)
-      webrick (~> 1.7.0)
+    yard (0.9.42)
 
 PLATFORMS
   aarch64-linux