diff --git a/extensions/css-language-features/server/package.json b/extensions/css-language-features/server/package.json
index a263ed94c2e..33645305cce 100644
--- a/extensions/css-language-features/server/package.json
+++ b/extensions/css-language-features/server/package.json
@@ -9,7 +9,7 @@
   },
   "main": "./out/cssServerMain",
   "dependencies": {
-    "vscode-css-languageservice": "^4.0.3-next.11",
+    "vscode-css-languageservice": "^4.0.3-next.12",
     "vscode-languageserver": "^6.0.0-next.1"
   },
   "devDependencies": {
diff --git a/extensions/css-language-features/server/yarn.lock b/extensions/css-language-features/server/yarn.lock
index 6d38104e2e5..34b6e0648d4 100644
--- a/extensions/css-language-features/server/yarn.lock
+++ b/extensions/css-language-features/server/yarn.lock
@@ -781,10 +781,10 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-vscode-css-languageservice@^4.0.3-next.11:
-  version "4.0.3-next.11"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-4.0.3-next.11.tgz#b353ae30551c052e7133f6640d5f4d4755c27fb0"
-  integrity sha512-6rdruqzWkAbGkTw56WTMS7SmhOYIZ4Dnrs3Wc64cn/saF1f+ib76EUvISiYLZnc+S9FsZu2lnlzPeeJ3LItm2A==
+vscode-css-languageservice@^4.0.3-next.12:
+  version "4.0.3-next.12"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-4.0.3-next.12.tgz#e54ef5edc4789c1cecd38e8b1592002b99fe4081"
+  integrity sha512-C2dh6s/7W1dAMhH3aUZAgm3NPesB3W1qNYaOP+hal8TTj0BqmMrRj0+zbaBU9s31+vT2qRQCBmJTx7/W9HGXqQ==
   dependencies:
     vscode-languageserver-types "^3.15.0-next.5"
     vscode-nls "^4.1.1"
diff --git a/extensions/html-language-features/server/package.json b/extensions/html-language-features/server/package.json
index c11d21bbbd9..23d86fa9fb7 100644
--- a/extensions/html-language-features/server/package.json
+++ b/extensions/html-language-features/server/package.json
@@ -9,7 +9,7 @@
   },
   "main": "./out/htmlServerMain",
   "dependencies": {
-    "vscode-css-languageservice": "^4.0.3-next.11",
+    "vscode-css-languageservice": "^4.0.3-next.12",
     "vscode-html-languageservice": "^3.0.4-next.6",
     "vscode-languageserver": "^6.0.0-next.1",
     "vscode-languageserver-types": "3.15.0-next.5",
diff --git a/extensions/html-language-features/server/yarn.lock b/extensions/html-language-features/server/yarn.lock
index 27c6f14811c..935c653900c 100644
--- a/extensions/html-language-features/server/yarn.lock
+++ b/extensions/html-language-features/server/yarn.lock
@@ -611,10 +611,10 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-vscode-css-languageservice@^4.0.3-next.11:
-  version "4.0.3-next.11"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-4.0.3-next.11.tgz#b353ae30551c052e7133f6640d5f4d4755c27fb0"
-  integrity sha512-6rdruqzWkAbGkTw56WTMS7SmhOYIZ4Dnrs3Wc64cn/saF1f+ib76EUvISiYLZnc+S9FsZu2lnlzPeeJ3LItm2A==
+vscode-css-languageservice@^4.0.3-next.12:
+  version "4.0.3-next.12"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-4.0.3-next.12.tgz#e54ef5edc4789c1cecd38e8b1592002b99fe4081"
+  integrity sha512-C2dh6s/7W1dAMhH3aUZAgm3NPesB3W1qNYaOP+hal8TTj0BqmMrRj0+zbaBU9s31+vT2qRQCBmJTx7/W9HGXqQ==
   dependencies:
     vscode-languageserver-types "^3.15.0-next.5"
     vscode-nls "^4.1.1"