diff --git a/extensions/css/server/package.json b/extensions/css/server/package.json
index 21ec29c7af9..cdd258957b1 100644
--- a/extensions/css/server/package.json
+++ b/extensions/css/server/package.json
@@ -8,9 +8,9 @@
     "node": "*"
   },
   "dependencies": {
-    "vscode-css-languageservice": "^3.0.7",
+    "vscode-css-languageservice": "^3.0.9-next.1",
     "vscode-emmet-helper": "^1.2.0",
-    "vscode-languageserver": "4.0.0-next.4"
+    "vscode-languageserver": "^4.0.0"
   },
   "devDependencies": {
     "@types/mocha": "2.2.33",
diff --git a/extensions/css/server/src/cssServerMain.ts b/extensions/css/server/src/cssServerMain.ts
index 42cef8ddd33..26b48802bb0 100644
--- a/extensions/css/server/src/cssServerMain.ts
+++ b/extensions/css/server/src/cssServerMain.ts
@@ -5,15 +5,12 @@
 'use strict';
 
 import {
-	createConnection, IConnection, TextDocuments, InitializeParams, InitializeResult, ServerCapabilities
+	createConnection, IConnection, TextDocuments, InitializeParams, InitializeResult, ServerCapabilities,
+	ConfigurationRequest, WorkspaceFolder, DocumentColorRequest, ColorPresentationRequest
 } from 'vscode-languageserver';
 
 import { TextDocument } from 'vscode-languageserver-types';
 
-import { ConfigurationRequest } from 'vscode-languageserver-protocol/lib/protocol.configuration.proposed';
-import { WorkspaceFolder } from 'vscode-languageserver-protocol/lib/protocol.workspaceFolders.proposed';
-import { DocumentColorRequest, ServerCapabilities as CPServerCapabilities, ColorPresentationRequest } from 'vscode-languageserver-protocol/lib/protocol.colorProvider.proposed';
-
 import { getCSSLanguageService, getSCSSLanguageService, getLESSLanguageService, LanguageSettings, LanguageService, Stylesheet } from 'vscode-css-languageservice';
 import { getLanguageModelCache } from './languageModelCache';
 import { formatError, runSafe } from './utils/errors';
@@ -74,7 +71,7 @@ connection.onInitialize((params: InitializeParams): InitializeResult => {
 	}
 	let snippetSupport = hasClientCapability('textDocument.completion.completionItem.snippetSupport');
 	scopedSettingsSupport = hasClientCapability('workspace.configuration');
-	let capabilities: ServerCapabilities & CPServerCapabilities = {
+	let capabilities: ServerCapabilities = {
 		// Tell the client that the server works in FULL text document sync mode
 		textDocumentSync: documents.syncKind,
 		completionProvider: snippetSupport ? { resolveProvider: false } : undefined,
diff --git a/extensions/css/server/yarn.lock b/extensions/css/server/yarn.lock
index 0c0ace42012..579deb4c9f1 100644
--- a/extensions/css/server/yarn.lock
+++ b/extensions/css/server/yarn.lock
@@ -18,12 +18,12 @@ jsonc-parser@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/jsonc-parser/-/jsonc-parser-1.0.0.tgz#ddcc864ae708e60a7a6dd36daea00172fa8d9272"
 
-vscode-css-languageservice@^3.0.7:
-  version "3.0.7"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-3.0.7.tgz#ca53f94db020e4e6c7059963fed8dc256593decc"
+vscode-css-languageservice@^3.0.9-next.1:
+  version "3.0.9-next.1"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-3.0.9-next.1.tgz#92319b641a7624e84950aef2c55e5b4db001ff9a"
   dependencies:
-    vscode-languageserver-types "^3.6.0-next.1"
-    vscode-nls "^2.0.1"
+    vscode-languageserver-types "^3.6.1"
+    vscode-nls "^3.2.1"
 
 vscode-emmet-helper@^1.2.0:
   version "1.2.0"
@@ -33,31 +33,35 @@ vscode-emmet-helper@^1.2.0:
     jsonc-parser "^1.0.0"
     vscode-languageserver-types "^3.6.0-next.1"
 
-vscode-jsonrpc@^3.6.0-next.1:
-  version "3.6.0-next.1"
-  resolved "https://registry.yarnpkg.com/vscode-jsonrpc/-/vscode-jsonrpc-3.6.0-next.1.tgz#3cb463dffe5842d6aec16718ca9252708cd6aabe"
+vscode-jsonrpc@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/vscode-jsonrpc/-/vscode-jsonrpc-3.6.0.tgz#848d56995d5168950d84feb5d9c237ae5c6a02d4"
 
-vscode-languageserver-protocol@^3.6.0-next.5:
-  version "3.6.0-next.5"
-  resolved "https://registry.yarnpkg.com/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.6.0-next.5.tgz#ed2ec2db759826f753c0a13977dfb2bedc4d31b3"
+vscode-languageserver-protocol@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.6.0.tgz#579642cdcccf74b0cd771c33daa3239acb40d040"
   dependencies:
-    vscode-jsonrpc "^3.6.0-next.1"
-    vscode-languageserver-types "^3.6.0-next.1"
+    vscode-jsonrpc "^3.6.0"
+    vscode-languageserver-types "^3.6.0"
+
+vscode-languageserver-types@^3.6.0, vscode-languageserver-types@^3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.6.1.tgz#4bc06a48dff653495f12f94b8b1e228988a1748d"
 
 vscode-languageserver-types@^3.6.0-next.1:
   version "3.6.0-next.1"
   resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.6.0-next.1.tgz#98e488d3f87b666b4ee1a3d89f0023e246d358f3"
 
-vscode-languageserver@4.0.0-next.4:
-  version "4.0.0-next.4"
-  resolved "https://registry.yarnpkg.com/vscode-languageserver/-/vscode-languageserver-4.0.0-next.4.tgz#162440b15bedaab07e1676f046e4d9b8578b3d92"
+vscode-languageserver@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver/-/vscode-languageserver-4.0.0.tgz#8b792f0d6d10acfe363d02371ed4ce53d08af88a"
   dependencies:
-    vscode-languageserver-protocol "^3.6.0-next.5"
+    vscode-languageserver-protocol "^3.6.0"
     vscode-uri "^1.0.1"
 
-vscode-nls@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/vscode-nls/-/vscode-nls-2.0.2.tgz#808522380844b8ad153499af5c3b03921aea02da"
+vscode-nls@^3.2.1:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/vscode-nls/-/vscode-nls-3.2.2.tgz#3817eca5b985c2393de325197cf4e15eb2aa5350"
 
 vscode-uri@^1.0.1:
   version "1.0.1"