diff --git a/extensions/package.json b/extensions/package.json
index d70cdbe0ca1..6c13235b8fe 100644
--- a/extensions/package.json
+++ b/extensions/package.json
@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "description": "Dependencies shared by all extensions",
   "dependencies": {
-    "typescript": "3.6.3"
+    "typescript": "3.7.1-rc"
   },
   "scripts": {
     "postinstall": "node ./postinstall"
diff --git a/extensions/typescript-language-features/src/features/fileConfigurationManager.ts b/extensions/typescript-language-features/src/features/fileConfigurationManager.ts
index 2d0ac268693..ff9245b4a5e 100644
--- a/extensions/typescript-language-features/src/features/fileConfigurationManager.ts
+++ b/extensions/typescript-language-features/src/features/fileConfigurationManager.ts
@@ -167,7 +167,7 @@ export default class FileConfigurationManager extends Disposable {
 			insertSpaceAfterTypeAssertion: config.get<boolean>('insertSpaceAfterTypeAssertion'),
 			placeOpenBraceOnNewLineForFunctions: config.get<boolean>('placeOpenBraceOnNewLineForFunctions'),
 			placeOpenBraceOnNewLineForControlBlocks: config.get<boolean>('placeOpenBraceOnNewLineForControlBlocks'),
-			semicolons: config.get<string>('semicolons'),
+			semicolons: config.get<Proto.SemicolonPreference>('semicolons'),
 		};
 
 		return settings;
diff --git a/extensions/yarn.lock b/extensions/yarn.lock
index 2595e3b4416..9c5283d2aa7 100644
--- a/extensions/yarn.lock
+++ b/extensions/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-typescript@3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.3.tgz#fea942fabb20f7e1ca7164ff626f1a9f3f70b4da"
-  integrity sha512-N7bceJL1CtRQ2RiG0AQME13ksR7DiuQh/QehubYcghzv20tnh+MQnQIuJddTmsbqYj+dztchykemz0zFzlvdQw==
+typescript@3.7.1-rc:
+  version "3.7.1-rc"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.1-rc.tgz#2054b872d67f8dc732e36c1df397f9327f37ada0"
+  integrity sha512-2rMtWppLsaPvmpXsoIAXWDBQVnJMw1ITGGSnidMuayLj9iCmMRT69ncKZw/Mk5rXfJkilApKucWQZxproALoRw==