diff --git a/extensions/css-language-features/server/package.json b/extensions/css-language-features/server/package.json
index 9e1c6d92eb5f8602c9ed55168047bc540ae1c99e..9ac98007eb43c127b379e396b78f695c7604bd12 100644
--- a/extensions/css-language-features/server/package.json
+++ b/extensions/css-language-features/server/package.json
@@ -10,7 +10,7 @@
   "main": "./out/node/cssServerMain",
   "browser": "./dist/browser/cssServerMain",
   "dependencies": {
-    "vscode-css-languageservice": "^5.1.6",
+    "vscode-css-languageservice": "^5.1.7",
     "vscode-languageserver": "^7.0.0",
     "vscode-uri": "^3.0.2"
   },
diff --git a/extensions/css-language-features/server/yarn.lock b/extensions/css-language-features/server/yarn.lock
index 14bbc9e76e3c791ad5ee40b5911dd741f4e9e1bd..ee85eb997a64afb2fea320918598e2e6981e8373 100644
--- a/extensions/css-language-features/server/yarn.lock
+++ b/extensions/css-language-features/server/yarn.lock
@@ -12,10 +12,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.43.tgz#26bcbb0595b305400e8ceaf9a127a7f905ae49c8"
   integrity sha512-3pwDJjp1PWacPTpH0LcfhgjvurQvrZFBrC6xxjaUEZ7ifUtT32jtjPxEMMblpqd2Mvx+k8haqQJLQxolyGN/cQ==
 
-vscode-css-languageservice@^5.1.6:
-  version "5.1.6"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-5.1.6.tgz#4a34dac0cb56cbef00e1e78918d127ea433c4f77"
-  integrity sha512-n2R//bNzAIIhE60ELNjOWVrQrUxzd9zHv+MfotCJo5KpjMQ5n5+OU8s5yMLImEjrKmIhlWBxb5I7NMKpg01bFA==
+vscode-css-languageservice@^5.1.7:
+  version "5.1.7"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-5.1.7.tgz#ebbf803b03fde539bd683588cd2da6c4a61b90e2"
+  integrity sha512-h4oafcZaGFe2VtbNIlkZDmLEP0GQha3E5Ct2YMH4p/p9xYC8yWDNQ5CD+VF3UnSijKPSKmA+oc4cKjhJBowGKw==
   dependencies:
     vscode-languageserver-textdocument "^1.0.1"
     vscode-languageserver-types "^3.16.0"
diff --git a/extensions/html-language-features/server/package.json b/extensions/html-language-features/server/package.json
index 8a709a25ecd6a4a534d007eb260bde32b8b55916..9f221c46084b9980e21521b0d4e725a4cafdf7f0 100644
--- a/extensions/html-language-features/server/package.json
+++ b/extensions/html-language-features/server/package.json
@@ -9,7 +9,7 @@
   },
   "main": "./out/node/htmlServerMain",
   "dependencies": {
-    "vscode-css-languageservice": "^5.1.6",
+    "vscode-css-languageservice": "^5.1.7",
     "vscode-html-languageservice": "^4.1.0",
     "vscode-languageserver": "^7.0.0",
     "vscode-languageserver-textdocument": "^1.0.1",
diff --git a/extensions/html-language-features/server/yarn.lock b/extensions/html-language-features/server/yarn.lock
index d1916432cc34f35a0c6d6d949ff73c058566e739..503ea97f545b2866f6ff5fb284b398aa67df09d4 100644
--- a/extensions/html-language-features/server/yarn.lock
+++ b/extensions/html-language-features/server/yarn.lock
@@ -12,10 +12,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.43.tgz#26bcbb0595b305400e8ceaf9a127a7f905ae49c8"
   integrity sha512-3pwDJjp1PWacPTpH0LcfhgjvurQvrZFBrC6xxjaUEZ7ifUtT32jtjPxEMMblpqd2Mvx+k8haqQJLQxolyGN/cQ==
 
-vscode-css-languageservice@^5.1.6:
-  version "5.1.6"
-  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-5.1.6.tgz#4a34dac0cb56cbef00e1e78918d127ea433c4f77"
-  integrity sha512-n2R//bNzAIIhE60ELNjOWVrQrUxzd9zHv+MfotCJo5KpjMQ5n5+OU8s5yMLImEjrKmIhlWBxb5I7NMKpg01bFA==
+vscode-css-languageservice@^5.1.7:
+  version "5.1.7"
+  resolved "https://registry.yarnpkg.com/vscode-css-languageservice/-/vscode-css-languageservice-5.1.7.tgz#ebbf803b03fde539bd683588cd2da6c4a61b90e2"
+  integrity sha512-h4oafcZaGFe2VtbNIlkZDmLEP0GQha3E5Ct2YMH4p/p9xYC8yWDNQ5CD+VF3UnSijKPSKmA+oc4cKjhJBowGKw==
   dependencies:
     vscode-languageserver-textdocument "^1.0.1"
     vscode-languageserver-types "^3.16.0"