diff --git a/aio/.angular-cli.json b/aio/.angular-cli.json
index 90123fef4e..98077788f9 100644
--- a/aio/.angular-cli.json
+++ b/aio/.angular-cli.json
@@ -26,7 +26,6 @@
         "styles.scss"
       ],
       "scripts": [
-        "../node_modules/tslib/tslib.js"
       ],
       "environmentSource": "environments/environment.ts",
       "environments": {
diff --git a/aio/package.json b/aio/package.json
index 6396d0e221..c3254ea710 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -57,7 +57,7 @@
     "ngo-loader": "alxhub/ngo",
     "purify": "igorminar/purify",
     "rxjs": "^5.2.0",
-    "tslib": "^1.7.0",
+    "tslib": "^1.7.1",
     "web-animations-js": "^2.2.5",
     "zone.js": "^0.8.4"
   },
diff --git a/aio/yarn.lock b/aio/yarn.lock
index 9f803dfc20..c69a5f8b7e 100644
--- a/aio/yarn.lock
+++ b/aio/yarn.lock
@@ -5610,8 +5610,10 @@ punycode@^1.2.4, punycode@^1.3.2, punycode@^1.4.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
 purify@igorminar/purify:
-  version "0.0.11"
-  resolved "https://codeload.github.com/igorminar/purify/tar.gz/920101e5af115aaf20e326d7d654a117f1218ae0"
+  version "0.0.19"
+  resolved "https://codeload.github.com/igorminar/purify/tar.gz/ca9a02f47f59337eb2d543092dface9607347de2"
+  dependencies:
+    tslib "^1.7.1"
 
 q@1.4.1, q@^1.1.2, q@^1.4.1, q@~1.4.1:
   version "1.4.1"
@@ -7088,9 +7090,9 @@ tsickle@^0.21.0:
     source-map "^0.5.6"
     source-map-support "^0.4.2"
 
-tslib@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.7.0.tgz#6e8366695f72961252b35167b0dd4fbeeafba491"
+tslib@^1.7.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.7.1.tgz#bc8004164691923a79fe8378bbeb3da2017538ec"
 
 tslint@^4.1.1, tslint@~4.5.0:
   version "4.5.1"