diff --git a/package-lock.json b/package-lock.json
index 25e68ae..b2ef3dd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3845,9 +3845,9 @@
       "dev": true
     },
     "fast-equals": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/fast-equals/-/fast-equals-1.6.3.tgz",
-      "integrity": "sha512-4WKW0AL5+WEqO0zWavAfYGY1qwLsBgE//DN4TTcVEN2UlINgkv9b3vm2iHicoenWKSX9mKWmGOsU/iI5IST7pQ==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fast-equals/-/fast-equals-2.0.0.tgz",
+      "integrity": "sha512-u6RBd8cSiLLxAiC04wVsLV6GBFDOXcTCgWkd3wEoFXgidPSoAJENqC9m7Jb2vewSvjBIfXV6icKeh3GTKfIaXA==",
       "dev": true
     },
     "fast-json-stable-stringify": {
@@ -4241,7 +4241,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4262,12 +4263,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4282,17 +4285,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4409,7 +4415,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4421,6 +4428,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4435,6 +4443,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4442,12 +4451,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -4466,6 +4477,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4546,7 +4558,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4558,6 +4571,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4643,7 +4657,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4679,6 +4694,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4698,6 +4714,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4741,12 +4758,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -9154,12 +9173,12 @@
       "integrity": "sha512-TRMkTp4FgSxE2HtGvxmgRukh3JqdFM7ejAj1Ti/VdodbPGfWvZR5+KdLKRV9jVDFyu2SknM8RD+PR54KGnoLjg=="
     },
     "rxjs-marbles": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/rxjs-marbles/-/rxjs-marbles-5.0.2.tgz",
-      "integrity": "sha512-/THFXEVM7tTGseEn30Uap/CFs53E464H8sA1HztZg5KdPGs8t3cz5EeYYKyEa1bJmuNxVntltudFfgudMLtH6A==",
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/rxjs-marbles/-/rxjs-marbles-5.0.3.tgz",
+      "integrity": "sha512-JK6EvLe9uReJxBmUgdKrpMB2JswV+fDcKDg97x20LErLQ7Gi0FG3YEr2Uq9hvgHJjgZXGCvonpzcxARLzKsT4A==",
       "dev": true,
       "requires": {
-        "fast-equals": "^1.6.1"
+        "fast-equals": "^2.0.0"
       }
     },
     "safe-buffer": {
diff --git a/package.json b/package.json
index 763e34c..24f5ada 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "nyc": "14.1.1",
     "proxyquire": "2.1.3",
     "rewire": "4.0.1",
-    "rxjs-marbles": "5.0.2",
+    "rxjs-marbles": "5.0.3",
     "sinon": "7.4.1",
     "standard": "13.1.0",
     "tape": "4.11.0",