diff --git a/extensions/css/.vscode/launch.json b/extensions/css/.vscode/launch.json
index 7a654d67e8d..65755df243c 100644
--- a/extensions/css/.vscode/launch.json
+++ b/extensions/css/.vscode/launch.json
@@ -11,7 +11,7 @@
 			],
 			"stopOnEntry": false,
 			"sourceMaps": true,
-			"outDir": "${workspaceRoot}/client/out",
+			"outFiles": ["${workspaceRoot}/client/out"],
 			"preLaunchTask": "npm"
 		},
 		{
@@ -22,8 +22,16 @@
 			"args": ["--extensionDevelopmentPath=${workspaceRoot}", "--extensionTestsPath=${workspaceRoot}/client/out/test" ],
 			"stopOnEntry": false,
 			"sourceMaps": true,
-			"outDir": "${workspaceRoot}/client/out/test",
+			"outFiles": ["${workspaceRoot}/client/out/test"],
 			"preLaunchTask": "npm"
-		}		
+		},
+		{
+			"name": "Attach Language Server",
+			"type": "node",
+			"request": "attach",
+			"port": 6004,
+			"sourceMaps": true,
+			"outFiles": ["${workspaceRoot}/server/out"]
+		}
 	]
 }
\ No newline at end of file
diff --git a/extensions/css/server/npm-shrinkwrap.json b/extensions/css/server/npm-shrinkwrap.json
index d5fb70e0d8a..f0b61222687 100644
--- a/extensions/css/server/npm-shrinkwrap.json
+++ b/extensions/css/server/npm-shrinkwrap.json
@@ -3,9 +3,9 @@
   "version": "1.0.0",
   "dependencies": {
     "vscode-css-languageservice": {
-      "version": "2.0.0-next.5",
+      "version": "2.0.0-next.6",
       "from": "vscode-css-languageservice@next",
-      "resolved": "https://registry.npmjs.org/vscode-css-languageservice/-/vscode-css-languageservice-2.0.0-next.5.tgz"
+      "resolved": "https://registry.npmjs.org/vscode-css-languageservice/-/vscode-css-languageservice-2.0.0-next.6.tgz"
     },
     "vscode-jsonrpc": {
       "version": "3.0.1-alpha.2",
diff --git a/extensions/css/server/package.json b/extensions/css/server/package.json
index 1bd17adfecb..db1c1c8baaf 100644
--- a/extensions/css/server/package.json
+++ b/extensions/css/server/package.json
@@ -8,7 +8,7 @@
     "node": "*"
   },
   "dependencies": {
-    "vscode-css-languageservice": "^2.0.0-next.5",
+    "vscode-css-languageservice": "^2.0.0-next.6",
     "vscode-languageserver": "3.0.1-alpha.2"
   },
   "devDependencies": {