diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json
index d1a1d30eab5935ad8a735f901b149ec52c14bab4..9dd958c29c9f65aa2825548a8f6b2daccc29d5fe 100644
--- a/extensions/markdown-language-features/package.json
+++ b/extensions/markdown-language-features/package.json
@@ -310,7 +310,7 @@
 		"mocha-junit-reporter": "^1.17.0",
 		"mocha-multi-reporters": "^1.1.7",
 		"ts-loader": "^4.0.1",
-		"typescript": "^2.7.2",
+		"typescript": "^3.3.1",
 		"vscode": "^1.1.10",
 		"webpack": "^4.1.0",
 		"webpack-cli": "^2.0.10"
diff --git a/extensions/markdown-language-features/yarn.lock b/extensions/markdown-language-features/yarn.lock
index 3848f47f6f20d8b35a5d28f86f42799149a078d1..e85ae950b3a8ba84005cabd44fbaabe25ef1fb6d 100644
--- a/extensions/markdown-language-features/yarn.lock
+++ b/extensions/markdown-language-features/yarn.lock
@@ -6010,10 +6010,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^2.7.2:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
-  integrity sha512-p5TCYZDAO0m4G344hD+wx/LATebLWZNkkh2asWUFqSsD2OrDNhbAHuSjobrmsUmdzjJjEeZVU9g1h3O6vpstnw==
+typescript@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.1.tgz#6de14e1db4b8a006ac535e482c8ba018c55f750b"
+  integrity sha512-cTmIDFW7O0IHbn1DPYjkiebHxwtCMU+eTy30ZtJNBPF9j2O1ITu5XH2YnBeVRKWHqF+3JQwWJv0Q0aUgX8W7IA==
 
 uc.micro@^1.0.1:
   version "1.0.3"