diff --git a/BUILD.gn b/BUILD.gn
index 4f8550d0df..456da61feb 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -109,6 +109,7 @@ ts_sources = [
   "js/workers.ts",
   "js/write_file.ts",
   "js/performance.ts",
+  "js/version.ts",
   "tsconfig.json",
 
   # Listing package.json and yarn.lock as sources ensures the bundle is rebuilt
diff --git a/js/deno.ts b/js/deno.ts
index 490494cc69..66d7d796c7 100644
--- a/js/deno.ts
+++ b/js/deno.ts
@@ -58,6 +58,7 @@ export { metrics, Metrics } from "./metrics";
 export { resources } from "./resources";
 export { run, RunOptions, Process, ProcessStatus } from "./process";
 export { inspect } from "./console";
+export { version } from "./version";
 export const args: string[] = [];
 
 // TODO Don't expose Console nor stringifyArgs.
diff --git a/js/main.ts b/js/main.ts
index 1116a11652..a5aae51a1d 100644
--- a/js/main.ts
+++ b/js/main.ts
@@ -9,6 +9,7 @@ import * as os from "./os";
 import { libdeno } from "./libdeno";
 import { args } from "./deno";
 import { replLoop } from "./repl";
+import { setVersions } from "./version";
 
 // builtin modules
 import * as deno from "./deno";
@@ -24,12 +25,13 @@ export default function denoMain() {
   libdeno.builtinModules["deno"] = deno;
   Object.freeze(libdeno.builtinModules);
 
+  setVersions(startResMsg.denoVersion()!, startResMsg.v8Version()!);
+
   // handle `--version`
   if (startResMsg.versionFlag()) {
-    console.log("deno:", startResMsg.denoVersion());
-    console.log("v8:", startResMsg.v8Version());
-    // TODO figure out a way to restore functionality
-    // console.log("typescript:", version);
+    console.log("deno:", deno.version.deno);
+    console.log("v8:", deno.version.v8);
+    console.log("typescript:", deno.version.typescript);
     os.exit(0);
   }
 
diff --git a/js/unit_tests.ts b/js/unit_tests.ts
index a5fc836c50..c8479145b9 100644
--- a/js/unit_tests.ts
+++ b/js/unit_tests.ts
@@ -44,6 +44,7 @@ import "./url_test.ts";
 import "./url_search_params_test.ts";
 import "./write_file_test.ts";
 import "./performance_test.ts";
+import "./version_test.ts";
 
 import "../website/app_test.js";
 
diff --git a/js/version.ts b/js/version.ts
new file mode 100644
index 0000000000..805e565a07
--- /dev/null
+++ b/js/version.ts
@@ -0,0 +1,23 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+interface Version {
+  deno: string;
+  v8: string;
+  typescript: string;
+}
+
+export const version: Version = {
+  deno: "",
+  v8: "",
+  typescript: "TS_VERSION" // This string will be replaced by rollup
+};
+
+/**
+ * Sets the deno and v8 versions and freezes the version object.
+ * @internal
+ */
+export function setVersions(denoVersion: string, v8Version: string): void {
+  version.deno = denoVersion;
+  version.v8 = v8Version;
+
+  Object.freeze(version);
+}
diff --git a/js/version_test.ts b/js/version_test.ts
new file mode 100644
index 0000000000..d3d1bc3dfe
--- /dev/null
+++ b/js/version_test.ts
@@ -0,0 +1,8 @@
+import { test, assert } from "./test_util.ts";
+
+test(function version() {
+  const pattern = /^\d+\.\d+\.\d+$/;
+  assert(pattern.test(Deno.version.deno));
+  assert(pattern.test(Deno.version.v8));
+  assert(pattern.test(Deno.version.typescript));
+});
diff --git a/package.json b/package.json
index 08e8ea436d..ee97f7fc7e 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "rollup-plugin-commonjs": "^9.1.3",
     "rollup-plugin-node-globals": "^1.2.1",
     "rollup-plugin-node-resolve": "^3.3.0",
+    "rollup-plugin-replace": "^2.1.0",
     "rollup-plugin-string": "^2.0.2",
     "rollup-plugin-typescript2": "^0.16.1",
     "rollup-pluginutils": "^2.3.0",
diff --git a/rollup.config.js b/rollup.config.js
index 5bfab06d91..34f998b739 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -9,6 +9,7 @@ import globals from "rollup-plugin-node-globals";
 import nodeResolve from "rollup-plugin-node-resolve";
 import typescriptPlugin from "rollup-plugin-typescript2";
 import { createFilter } from "rollup-pluginutils";
+import replace from "rollup-plugin-replace";
 import typescript from "typescript";
 import MagicString from "magic-string";
 
@@ -225,6 +226,11 @@ export default function makeConfig(commandOptions) {
         include: [platformPath]
       }),
 
+      // replace strings
+      replace({
+        TS_VERSION: typescript.version
+      }),
+
       // would prefer to use `rollup-plugin-virtual` to inject the empty module, but there
       // is an issue with `rollup-plugin-commonjs` which causes errors when using the
       // virtual plugin (see: rollup/rollup-plugin-commonjs#315), this means we have to use
diff --git a/third_party b/third_party
index c274593346..42eb39c9b4 160000
--- a/third_party
+++ b/third_party
@@ -1 +1 @@
-Subproject commit c2745933463333cd2f864614d481881f73447cf2
+Subproject commit 42eb39c9b4e4e6e4a84a97039f1f19e33b53b8bd