diff --git a/package.json b/package.json
index 65a8d22b73..ee73f13cf4 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@schematics/angular": "^0.5.4",
     "core-js": "^2.4.1",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "^6.0.0-terrific-rc.3",
+    "rxjs": "^6.0.0-uncanny-rc.7",
     "tslib": "^1.7.1",
     "zone.js": "^0.8.26"
   },
diff --git a/yarn.lock b/yarn.lock
index 0f8efd552c..b07f15349d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5148,9 +5148,9 @@ rxjs@^6.0.0-beta.3:
   dependencies:
     tslib "^1.9.0"
 
-rxjs@^6.0.0-terrific-rc.3:
-  version "6.0.0-terrific-rc.3"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.0.0-terrific-rc.3.tgz#3acee937c1789ee4addf3cc3f7cc843d7cc2887c"
+rxjs@^6.0.0-uncanny-rc.7:
+  version "6.0.0-uncanny-rc.7"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.0.0-uncanny-rc.7.tgz#e5d6ebe2c538c583bf4b3600b60112d64a7a6991"
   dependencies:
     tslib "^1.9.0"