diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index b9032b60c1bf..f1b95df114d2 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -286,6 +286,7 @@ let
           license     = licenses.ruby;
           maintainers = with maintainers; [ vrthra manveru marsam ];
           platforms   = platforms.all;
+          knownVulnerabilities = op (lib.versionOlder ver.majMin "3.0") "This Ruby release has reached its end of life. See https://www.ruby-lang.org/en/downloads/branches/.";
         };
 
         passthru = rec {