diff --git a/Gemfile.lock b/Gemfile.lock
index 37e5d651fd..89a8a5191b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,9 +3,7 @@ GEM
   specs:
     coderay (1.1.3)
     rake (13.0.6)
-    webrick (1.7.0)
-    yard (0.9.28)
-      webrick (~> 1.7.0)
+    yard (0.9.34)
     yard-coderay (0.1.0)
       coderay
       yard