diff --git a/extensions/json-language-features/server/package.json b/extensions/json-language-features/server/package.json
index b4992717f5b82f7758461bb6d8341172fc50958c..64a9c5f5eba4e0b41bd209001b5854caf3d41e8a 100644
--- a/extensions/json-language-features/server/package.json
+++ b/extensions/json-language-features/server/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "jsonc-parser": "^2.2.0",
     "request-light": "^0.2.5",
-    "vscode-json-languageservice": "^3.4.8",
+    "vscode-json-languageservice": "^3.4.9",
     "vscode-languageserver": "^6.0.0-next.3",
     "vscode-uri": "^2.1.1"
   },
diff --git a/extensions/json-language-features/server/yarn.lock b/extensions/json-language-features/server/yarn.lock
index b5fcaf44baba3704867b90f3687a126ac336a336..7ebc93341c656243bdaebcdfbf60552d97f62c90 100644
--- a/extensions/json-language-features/server/yarn.lock
+++ b/extensions/json-language-features/server/yarn.lock
@@ -80,10 +80,10 @@ request-light@^0.2.5:
     https-proxy-agent "^2.2.3"
     vscode-nls "^4.1.1"
 
-vscode-json-languageservice@^3.4.8:
-  version "3.4.8"
-  resolved "https://registry.yarnpkg.com/vscode-json-languageservice/-/vscode-json-languageservice-3.4.8.tgz#2fc14e0a2603ed704ab57e29f3bcce75106be2bd"
-  integrity sha512-8h3VjUU4r37LVleIV7YGYs6MlnwHs4qR002cJsL3Z/ebrKzgab1OkwzGocAAJY21rnLhVy4KjnIy7oN1XGPlqA==
+vscode-json-languageservice@^3.4.9:
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/vscode-json-languageservice/-/vscode-json-languageservice-3.4.9.tgz#7ce485bb0f9a07b4d879c988baac9be2222909ad"
+  integrity sha512-4VCpZ9ooea/Zc/MTnj1ccc9C7rqcoinKVQLhLoi6jw6yueSf4y4tg/YIUiPPVMlEAG7ZCPS+NVmqxisQ+mOsSw==
   dependencies:
     jsonc-parser "^2.2.0"
     vscode-languageserver-textdocument "^1.0.0-next.4"