diff --git a/user-restricted-combined-auth-tutorials/nhs-login/php/yarn.lock b/user-restricted-combined-auth-tutorials/nhs-login/php/yarn.lock
index 524d5da..fe00437 100644
--- a/user-restricted-combined-auth-tutorials/nhs-login/php/yarn.lock
+++ b/user-restricted-combined-auth-tutorials/nhs-login/php/yarn.lock
@@ -4340,9 +4340,9 @@ wrappy@1:
   integrity sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==
 
 ws@^8.4.2:
-  version "8.8.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.8.1.tgz#5dbad0feb7ade8ecc99b830c1d77c913d4955ff0"
-  integrity sha512-bGy2JzvzkPowEJV++hF07hAD6niYSr0JzBNo/J29WsB57A2r7Wlc1UFcTR9IzrPvuNVO4B8LGqF8qcpsVOhJCA==
+  version "8.17.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.17.1.tgz#9293da530bb548febc95371d90f9c878727d919b"
+  integrity sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==
 
 yallist@^4.0.0:
   version "4.0.0"