diff --git a/package-lock.json b/package-lock.json
index 807fabd..d529a17 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -905,7 +905,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1320,7 +1321,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1376,6 +1378,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1419,12 +1422,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -3428,9 +3433,9 @@
       }
     },
     "rxjs": {
-      "version": "6.3.3",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.3.3.tgz",
-      "integrity": "sha512-JTWmoY9tWCs7zvIk/CvRjhjGaOd+OVBM987mxFo+OW66cGpdKjZcpmc74ES1sB//7Kl/PAe8+wEakuhG4pcgOw==",
+      "version": "6.6.3",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.6.3.tgz",
+      "integrity": "sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==",
       "requires": {
         "tslib": "^1.9.0"
       }
diff --git a/package.json b/package.json
index 20fdd3c..3589743 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "core-js": "2.5.7",
     "meteor-node-stubs": "0.4.1",
     "meteor-rxjs": "0.4.14",
-    "rxjs": "6.3.3",
+    "rxjs": "6.6.3",
     "zone.js": "0.8.26"
   },
   "devDependencies": {