diff --git a/package.json b/package.json
index 33ec68c1139a..b7951425c8a2 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "glob": "^7.0.3",
     "temp": "^0.8.3",
     "tslint": "^5.11.0",
-    "typescript": "~2.9.2"
+    "typescript": "~3.0.1"
   },
   "devDependencies": {
     "@ngtools/json-schema": "^1.1.0",
diff --git a/packages/angular_devkit/build_optimizer/package.json b/packages/angular_devkit/build_optimizer/package.json
index 3ffe3d902374..2b45e3e43044 100644
--- a/packages/angular_devkit/build_optimizer/package.json
+++ b/packages/angular_devkit/build_optimizer/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "loader-utils": "^1.1.0",
     "source-map": "^0.5.6",
-    "typescript": "~2.9.2",
+    "typescript": "~2.9.2 || ~3.0.0",
     "webpack-sources": "^1.1.0"
   }
 }
diff --git a/packages/ngtools/webpack/package.json b/packages/ngtools/webpack/package.json
index e7505a21e3d9..e39f6e470712 100644
--- a/packages/ngtools/webpack/package.json
+++ b/packages/ngtools/webpack/package.json
@@ -31,11 +31,10 @@
     "webpack-sources": "^1.1.0"
   },
   "peerDependencies": {
-    "typescript": "~2.4.0 || ~2.5.0 || ~2.6.0 || ~2.7.0 || ~2.8.0 || ~2.9.0",
+    "typescript": "~2.4.0 || ~2.5.0 || ~2.6.0 || ~2.7.0 || ~2.8.0 || ~2.9.0 || ~3.0.0",
     "webpack": "^4.0.0"
   },
   "devDependencies": {
-    "typescript": "~2.9.2",
     "webpack": "^4.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index c58a24780636..284ce682b79b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7667,7 +7667,7 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-"typescript@>=2.6.2 <2.10", typescript@~2.9.2:
+"typescript@>=2.6.2 <2.10":
   version "2.9.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
 
@@ -7675,6 +7675,10 @@ typescript@~2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"
 
+"typescript@~2.9.2 || ~3.0.0", typescript@~3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.0.1.tgz#43738f29585d3a87575520a4b93ab6026ef11fdb"
+
 uglify-es@^3.3.4:
   version "3.3.9"
   resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"