diff --git a/extensions/html/server/package.json b/extensions/html/server/package.json
index 234cd4aab31..1afa6e9672d 100644
--- a/extensions/html/server/package.json
+++ b/extensions/html/server/package.json
@@ -8,8 +8,8 @@
     "node": "*"
   },
   "dependencies": {
-    "vscode-css-languageservice": "^3.0.3",
-    "vscode-html-languageservice": "^2.0.14",
+    "vscode-css-languageservice": "^3.0.5",
+    "vscode-html-languageservice": "^2.0.15",
     "vscode-languageserver": "^3.5.0",
     "vscode-nls": "^3.2.1",
     "vscode-uri": "^1.0.1"
diff --git a/extensions/html/server/yarn.lock b/extensions/html/server/yarn.lock
index 157ff1d875c..bd284a09edd 100644
--- a/extensions/html/server/yarn.lock
+++ b/extensions/html/server/yarn.lock
@@ -10,16 +10,16 @@
   version "7.0.43"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.43.tgz#a187e08495a075f200ca946079c914e1a5fe962c"
 
-vscode-css-languageservice@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-3.0.3.tgz#02cc4efa5335f5104e0a2f3b6920faaf59db4f7a"
+vscode-css-languageservice@^3.0.5:
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-3.0.5.tgz#8470989c07bbe740db4fa621423e98384d2c342f"
   dependencies:
     vscode-languageserver-types "3.5.0"
     vscode-nls "^2.0.1"
 
-vscode-html-languageservice@^2.0.14:
-  version "2.0.14"
-  resolved "https://registry.yarnpkg.com/vscode-html-languageservice/-/vscode-html-languageservice-2.0.14.tgz#15491c11bb7e196f6fd03b6c6c768901935862eb"
+vscode-html-languageservice@^2.0.15:
+  version "2.0.15"
+  resolved "https://registry.yarnpkg.com/vscode-html-languageservice/-/vscode-html-languageservice-2.0.15.tgz#e3ec34c4d62bc636f8a16c9b474e5851ca13aab0"
   dependencies:
     vscode-languageserver-types "3.5.0"
     vscode-nls "^2.0.2"