diff --git a/extensions/html-language-features/server/yarn.lock b/extensions/html-language-features/server/yarn.lock
index 6d17972d5f27f..7b593e1f6ded9 100644
--- a/extensions/html-language-features/server/yarn.lock
+++ b/extensions/html-language-features/server/yarn.lock
@@ -984,9 +984,9 @@ xml@^1.0.0:
   integrity sha1-eLpyAgApxbyHuKgaPPzXS0ovweU=
 
 y18n@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
-  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.3.tgz#b5f259c82cd6e336921efd7bfd8bf560de9eeedf"
+  integrity sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==
 
 yargs-parser@13.1.2, yargs-parser@^13.1.2:
   version "13.1.2"