diff --git a/package.json b/package.json
index 7c61787..fd88c74 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "fs-tree-diff": "^0.5.7",
     "heimdalljs": "0.3.3",
     "md5-hex": "^2.0.0",
-    "typescript": "~3.2.1",
+    "typescript": "~3.5.3",
     "walk-sync": "^0.3.2"
   },
   "devDependencies": {
diff --git a/src/compiler/create-parse-config-host.ts b/src/compiler/create-parse-config-host.ts
index f49c8ba..7f83cf4 100644
--- a/src/compiler/create-parse-config-host.ts
+++ b/src/compiler/create-parse-config-host.ts
@@ -11,6 +11,10 @@ export default function createParseConfigHost(
     return input.getFileSystemEntries(path);
   }
 
+  function realpath(path: string): string  {
+    return input.realpath(path) || path;
+  }
+
   function readDirectory(
     rootDir: string,
     extensions: ReadonlyArray<string>,
@@ -26,7 +30,8 @@ export default function createParseConfigHost(
       useCaseSensitiveFileNames,
       workingPath,
       depth,
-      getFileSystemEntries
+      getFileSystemEntries,
+      realpath
     );
   }
 
@@ -60,6 +65,7 @@ declare module "typescript" {
     useCaseSensitiveFileNames: boolean,
     currentDirectory: string,
     depth: number | undefined,
-    getFileSystemEntries: (path: string) => FileSystemEntries
+    getFileSystemEntries: (path: string) => FileSystemEntries,
+    realpath: (path: string) => string,
   ): string[];
 }
diff --git a/src/generated/typescript-config.ts b/src/generated/typescript-config.ts
index 46fda3a..8a9a339 100644
--- a/src/generated/typescript-config.ts
+++ b/src/generated/typescript-config.ts
@@ -42,6 +42,14 @@ export interface CompilerOptionsDefinition {
      * Only emit '.d.ts' declaration files.
      */
     emitDeclarationOnly?: boolean;
+    /**
+     * Enable incremental compilation.
+     */
+    incremental?: boolean;
+    /**
+     * Specify file to store incremental compilation information.
+     */
+    tsBuildInfoFile?: string;
     /**
      * Emit a single file with source maps instead of having a separate file.
      */
@@ -184,10 +192,10 @@ export interface CompilerOptionsDefinition {
      */
     stripInternal?: boolean;
     /**
-     * Specify ECMAScript target version. Permitted values are 'es3', 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018' or 'esnext'.
+     * Specify ECMAScript target version. Permitted values are 'es3', 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020' or 'esnext'.
      */
     target?:
-      | ("es3" | "es5" | "es6" | "es2015" | "es2016" | "es2017" | "es2018" | "esnext")
+      | ("es3" | "es5" | "es6" | "es2015" | "es2016" | "es2017" | "es2018" | "es2019" | "es2020" | "esnext")
       | {
           [k: string]: any;
         };
@@ -302,10 +310,13 @@ export interface CompilerOptionsDefinition {
       | "es2016"
       | "es2017"
       | "es2018"
+      | "es2019"
+      | "es2020"
       | "esnext"
       | "dom"
       | "dom.iterable"
       | "webworker"
+      | "webworker.importscripts"
       | "scripthost"
       | "es2015.core"
       | "es2015.collection"
@@ -322,11 +333,19 @@ export interface CompilerOptionsDefinition {
       | "es2017.sharedmemory"
       | "es2017.string"
       | "es2017.typedarrays"
+      | "es2018.asynciterable"
       | "es2018.intl"
       | "es2018.promise"
       | "es2018.regexp"
+      | "es2019.array"
+      | "es2019.object"
+      | "es2019.string"
+      | "es2019.symbol"
+      | "es2020.string"
+      | "es2020.symbol.wellknown"
       | "esnext.asynciterable"
       | "esnext.array"
+      | "esnext.bigint"
       | "esnext.intl"
       | "esnext.symbol")[];
     /**
@@ -377,6 +396,10 @@ export interface CompilerOptionsDefinition {
      * Emit '__importStar' and '__importDefault' helpers for runtime babel ecosystem compatibility and enable '--allowSyntheticDefaultImports' for typesystem compatibility. Requires TypeScript version 2.7 or later.
      */
     esModuleInterop?: boolean;
+    /**
+     * Allow accessing UMD globals from modules.
+     */
+    allowUmdGlobalAccess?: boolean;
     /**
      * Resolve 'keyof' to string valued property names only (no numbers or symbols). Requires TypeScript version 2.9 or later.
      */
diff --git a/vendor/typescript b/vendor/typescript
index 9aae7a6..aff7ef1 160000
--- a/vendor/typescript
+++ b/vendor/typescript
@@ -1 +1 @@
-Subproject commit 9aae7a668e68d987d1159cc808b679c1f742b3b4
+Subproject commit aff7ef12305de00cca7ac405fdaf8402ba0e6973
diff --git a/yarn.lock b/yarn.lock
index 0c6c371..04d48af 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2532,10 +2532,10 @@ tsutils@^2.27.2:
   dependencies:
     tslib "^1.8.1"
 
-typescript@~3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.1.tgz#0b7a04b8cf3868188de914d9568bd030f0c56192"
-  integrity sha512-jw7P2z/h6aPT4AENXDGjcfHTu5CSqzsbZc6YlUIebTyBAq8XaKp78x7VcSh30xwSCcsu5irZkYZUSFP1MrAMbg==
+typescript@~3.5.0:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
+  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
 
 uglify-js@^2.6:
   version "2.8.29"