diff --git a/extensions/html-language-features/server/yarn.lock b/extensions/html-language-features/server/yarn.lock
index 6d17972d5f27f..8cbbc1125997d 100644
--- a/extensions/html-language-features/server/yarn.lock
+++ b/extensions/html-language-features/server/yarn.lock
@@ -551,9 +551,9 @@ locate-path@^6.0.0:
     p-locate "^5.0.0"
 
 lodash@^4.16.4:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@4.0.0:
   version "4.0.0"