diff --git a/package-lock.json b/package-lock.json
index c3d27a08..f6bea621 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3800,9 +3800,9 @@
       }
     },
     "rxjs": {
-      "version": "5.5.8",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-5.5.8.tgz",
-      "integrity": "sha512-Bz7qou7VAIoGiglJZbzbXa4vpX5BmTTN2Dj/se6+SwADtw4SihqBIiEa7VmTXJ8pynvq0iFr5Gx9VLyye1rIxQ==",
+      "version": "5.5.9",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-5.5.9.tgz",
+      "integrity": "sha512-DHG9AHmCmgaFWgjBcXp6NxFDmh3MvIA62GqTWmLnTzr/3oZ6h5hLD8NA+9j+GF0jEwklNIpI4KuuyLG8UWMEvQ==",
       "requires": {
         "symbol-observable": "1.0.1"
       }
diff --git a/package.json b/package.json
index 933946d4..89f471e8 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/platform-browser": "^5.2.9",
     "@angular/platform-browser-dynamic": "^5.2.9",
     "codelyzer": "^4.2.1",
-    "rxjs": "^5.5.8",
+    "rxjs": "^5.5.9",
     "rxjs-tslint-rules": "^3.17.0",
     "zone.js": "^0.8.26"
   },