diff --git a/lib/rubygems/exceptions.rb b/lib/rubygems/exceptions.rb
index 9525b84f17..65caaab8b1 100644
--- a/lib/rubygems/exceptions.rb
+++ b/lib/rubygems/exceptions.rb
@@ -214,6 +214,16 @@ class Gem::RubyVersionMismatch < Gem::Exception; end
 
 class Gem::VerificationError < Gem::Exception; end
 
+##
+# Raised by Gem::WebauthnListener when an error occurs during security
+# device verification.
+
+class Gem::WebauthnVerificationError < Gem::Exception
+  def initialize(message)
+    super "Security device verification failed: #{message}"
+  end
+end
+
 ##
 # Raised to indicate that a system exit should occur with the specified
 # exit_code