diff --git a/extensions/markdown-language-features/server/package.json b/extensions/markdown-language-features/server/package.json
index 5c389810979..175620ee8de 100644
--- a/extensions/markdown-language-features/server/package.json
+++ b/extensions/markdown-language-features/server/package.json
@@ -18,7 +18,7 @@
     "vscode-languageserver": "^8.1.0",
     "vscode-languageserver-textdocument": "^1.0.8",
     "vscode-languageserver-types": "^3.17.3",
-    "vscode-markdown-languageservice": "^0.4.0",
+    "vscode-markdown-languageservice": "^0.5.0-alpha.1",
     "vscode-uri": "^3.0.7"
   },
   "devDependencies": {
diff --git a/extensions/markdown-language-features/server/yarn.lock b/extensions/markdown-language-features/server/yarn.lock
index f3a8efb6023..d630fdb5e88 100644
--- a/extensions/markdown-language-features/server/yarn.lock
+++ b/extensions/markdown-language-features/server/yarn.lock
@@ -103,6 +103,11 @@ vscode-jsonrpc@8.1.0:
   resolved "https://registry.yarnpkg.com/vscode-jsonrpc/-/vscode-jsonrpc-8.1.0.tgz#cb9989c65e219e18533cc38e767611272d274c94"
   integrity sha512-6TDy/abTQk+zDGYazgbIPc+4JoXdwC8NHU9Pbn4UJP1fehUyZmM4RHp5IthX7A6L5KS30PRui+j+tbbMMMafdw==
 
+vscode-jsonrpc@8.2.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/vscode-jsonrpc/-/vscode-jsonrpc-8.2.0.tgz#f43dfa35fb51e763d17cd94dcca0c9458f35abf9"
+  integrity sha512-C+r0eKJUIfiDIfwJhria30+TYWPtuHJXHtI7J0YlOmKAo7ogxP20T0zxB7HZQIFhIyvoBPwWskjxrvAtfjyZfA==
+
 vscode-languageserver-protocol@3.17.3:
   version "3.17.3"
   resolved "https://registry.yarnpkg.com/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.3.tgz#6d0d54da093f0c0ee3060b81612cce0f11060d57"
@@ -111,6 +116,14 @@ vscode-languageserver-protocol@3.17.3:
     vscode-jsonrpc "8.1.0"
     vscode-languageserver-types "3.17.3"
 
+vscode-languageserver-protocol@^3.17.1:
+  version "3.17.5"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.5.tgz#864a8b8f390835572f4e13bd9f8313d0e3ac4bea"
+  integrity sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==
+  dependencies:
+    vscode-jsonrpc "8.2.0"
+    vscode-languageserver-types "3.17.5"
+
 vscode-languageserver-textdocument@^1.0.8:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/vscode-languageserver-textdocument/-/vscode-languageserver-textdocument-1.0.8.tgz#9eae94509cbd945ea44bca8dcfe4bb0c15bb3ac0"
@@ -121,6 +134,11 @@ vscode-languageserver-types@3.17.3, vscode-languageserver-types@^3.17.3:
   resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.17.3.tgz#72d05e47b73be93acb84d6e311b5786390f13f64"
   integrity sha512-SYU4z1dL0PyIMd4Vj8YOqFvHu7Hz/enbWtpfnVbJHU4Nd1YNYx8u0ennumc6h48GQNeOLxmwySmnADouT/AuZA==
 
+vscode-languageserver-types@3.17.5:
+  version "3.17.5"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.17.5.tgz#3273676f0cf2eab40b3f44d085acbb7f08a39d8a"
+  integrity sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg==
+
 vscode-languageserver@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/vscode-languageserver/-/vscode-languageserver-8.1.0.tgz#5024253718915d84576ce6662dd46a791498d827"
@@ -128,16 +146,15 @@ vscode-languageserver@^8.1.0:
   dependencies:
     vscode-languageserver-protocol "3.17.3"
 
-vscode-markdown-languageservice@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/vscode-markdown-languageservice/-/vscode-markdown-languageservice-0.4.0.tgz#1ccca383703d38043b58e096fd3224796a2b2ab5"
-  integrity sha512-3C8pZlC0ofHEYmWwHgenxL6//XrpkrgyytrqNpMlft46q9uBxSUfcXtEGt7wIDNLWsvmgqPqHBwEnBFtLwrWFA==
+vscode-markdown-languageservice@^0.5.0-alpha.1:
+  version "0.5.0-alpha.1"
+  resolved "https://registry.yarnpkg.com/vscode-markdown-languageservice/-/vscode-markdown-languageservice-0.5.0-alpha.1.tgz#0b03f1f8e853e20352587a8de6a2f10f8d14c81c"
+  integrity sha512-7uVtRSr4+/xlsml9QtBkBAHPmtBv71CKEj6zhPTERYZEOHCwFsue1EHkESWBOGuqQ1NSLXPnHWENcDh5VD+bNw==
   dependencies:
     "@vscode/l10n" "^0.0.10"
     node-html-parser "^6.1.5"
     picomatch "^2.3.1"
-    vscode-languageserver-textdocument "^1.0.8"
-    vscode-languageserver-types "^3.17.3"
+    vscode-languageserver-protocol "^3.17.1"
     vscode-uri "^3.0.7"
 
 vscode-uri@^3.0.7: