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 b518fc7..6360c6a 100644
--- a/user-restricted-combined-auth-tutorials/nhs-login/php/yarn.lock
+++ b/user-restricted-combined-auth-tutorials/nhs-login/php/yarn.lock
@@ -1969,9 +1969,9 @@ fast-json-stable-stringify@^2.0.0:
   integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
 
 fast-uri@^3.0.1:
-  version "3.1.5"
-  resolved "https://registry.yarnpkg.com/fast-uri/-/fast-uri-3.1.5.tgz#610f37419a030270430cecd68d74e3d4d96725d0"
-  integrity sha512-gHwA1O9LDIcKunMKhObS/HimwtehO1nPUECKAu5TpKgaO19fcWEl4bliWe1jWxVFvIXztJjjQ4L8XQ1EU9f7Jw==
+  version "3.1.8"
+  resolved "https://registry.yarnpkg.com/fast-uri/-/fast-uri-3.1.8.tgz#f7db8d942e20eead3cfe93b0beeb4eb0169e938b"
+  integrity sha512-GZMtZUTNRpOVIECoXwLNZS5xUGE+mVNbTB8h/7Rwh2TFWcBQiPzTgyZi05BF9UMZKkLJv8XBRJTlU7zg8+ZfMg==
 
 fastest-levenshtein@^1.0.12, fastest-levenshtein@^1.0.16:
   version "1.0.16"