diff --git a/aio/package.json b/aio/package.json
index fa26ae0c33..c96f16c3bf 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -88,17 +88,17 @@
     "core-js": "^2.4.1",
     "jasmine": "^2.6.0",
     "ng-pwa-tools": "^0.0.10",
-    "rxjs": "6.0.0-rc.0",
-    "rxjs-compat": "6.0.0-rc.0",
+    "rxjs": "^6.0.0-turbo-rc.4",
+    "rxjs-compat": "^6.0.0-turbo-rc.4",
     "tslib": "^1.9.0",
     "web-animations-js": "^2.2.5",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
+    "@angular-devkit/build-angular": "~0.5.0",
     "@angular/cli": "^6.0.0-rc.2",
     "@angular/compiler": "^6.0.0-rc.3",
     "@angular/compiler-cli": "^6.0.0-rc.3",
-    "@angular-devkit/build-angular": "~0.5.0",
     "@types/jasmine": "^2.5.52",
     "@types/jasminewd2": "^2.0.3",
     "@types/node": "~6.0.60",
diff --git a/aio/yarn.lock b/aio/yarn.lock
index 912b0641a8..dbfe8da1fa 100644
--- a/aio/yarn.lock
+++ b/aio/yarn.lock
@@ -7676,15 +7676,9 @@ rx@2.3.24:
   version "2.3.24"
   resolved "https://registry.yarnpkg.com/rx/-/rx-2.3.24.tgz#14f950a4217d7e35daa71bbcbe58eff68ea4b2b7"
 
-rxjs-compat@6.0.0-rc.0:
-  version "6.0.0-rc.0"
-  resolved "https://registry.yarnpkg.com/rxjs-compat/-/rxjs-compat-6.0.0-rc.0.tgz#c9d5c3d8846fc2cb01ddd7ebc1bc2ece00d3655a"
-
-rxjs@6.0.0-rc.0:
-  version "6.0.0-rc.0"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.0.0-rc.0.tgz#3fed5454dfaf5a01005c973de857f860826d3eac"
-  dependencies:
-    tslib "^1.9.0"
+rxjs-compat@^6.0.0-turbo-rc.4:
+  version "6.0.0-turbo-rc.4"
+  resolved "https://registry.yarnpkg.com/rxjs-compat/-/rxjs-compat-6.0.0-turbo-rc.4.tgz#58efc9e50d5dbd027c75cecb23671ccc3ce6ce4c"
 
 rxjs@^6.0.0-beta.3, rxjs@^6.0.0-rc.0:
   version "6.0.0-smoosh.2"
@@ -7692,6 +7686,12 @@ rxjs@^6.0.0-beta.3, rxjs@^6.0.0-rc.0:
   dependencies:
     tslib "^1.9.0"
 
+rxjs@^6.0.0-turbo-rc.4:
+  version "6.0.0-turbo-rc.4"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.0.0-turbo-rc.4.tgz#5995dab91914f03ee4a68d923678333ae626d2ec"
+  dependencies:
+    tslib "^1.9.0"
+
 safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"