diff --git a/package-lock.json b/package-lock.json
index 45f5198..22fb415 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "client-oauth2",
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+  "version": "4.3.3",
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@@ -14,24 +14,24 @@
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@@ -76,14 +76,13 @@
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@@ -126,18 +125,18 @@
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@@ -172,12 +171,12 @@
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           "dev": true,
           "requires": {
             "cliui": "^5.0.0",
+            "decamelize": "^1.2.0",
             "find-up": "^3.0.0",
             "get-caller-file": "^2.0.1",
             "require-directory": "^2.1.1",
@@ -6988,13 +7021,13 @@
             "string-width": "^3.0.0",
             "which-module": "^2.0.0",
             "y18n": "^4.0.0",
-            "yargs-parser": "^13.1.2"
+            "yargs-parser": "^15.0.1"
           }
         },
         "yargs-parser": {
-          "version": "13.1.2",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
-          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
+          "version": "15.0.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-15.0.1.tgz",
+          "integrity": "sha512-0OAMV2mAZQrs3FkNpDQcBk1x5HXb8X4twADss4S0Iuk+2dGnLOE/fRHrsYm542GduMveyA77OF4wrNJuanRCWw==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
diff --git a/package.json b/package.json
index baa322c..cfdff7c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "client-oauth2",
-  "version": "4.3.2",
+  "version": "4.3.3",
   "description": "Straight-forward execution of OAuth 2.0 flows and authenticated API requests",
   "main": "src/client-oauth2.js",
   "typings": "index.d.ts",
@@ -49,15 +49,15 @@
     "es6-promise": "^4.2.8",
     "express": "^4.17.1",
     "is-travis": "^2.0.0",
-    "karma": "^5.0.3",
+    "karma": "^5.1.1",
     "karma-browserify": "^7.0.0",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-cli": "^2.0.0",
-    "karma-coverage": "^2.0.1",
+    "karma-coverage": "^2.0.3",
     "karma-firefox-launcher": "^1.3.0",
     "karma-mocha": "^2.0.1",
-    "mocha": "^7.1.0",
+    "mocha": "^8.1.0",
     "object-assign": "^4.1.1",
     "standard": "^14.3.3",
     "watchify": "^3.11.1"