diff --git a/package.json b/package.json
index 14143d3..1cd32e0 100644
--- a/package.json
+++ b/package.json
@@ -7,25 +7,24 @@
   "bugs": {
     "url": "https://github.com/mozilla/multi-account-containers/issues"
   },
-  "dependencies": {},
   "devDependencies": {
     "addons-linter": "^1.3.2",
     "ajv": "^6.6.3",
     "chai": "^4.2.0",
-    "eslint": "^6.6.0",
+    "eslint": "^8.3.0",
     "eslint-plugin-no-unsanitized": "^2.0.0",
     "eslint-plugin-promise": "^3.4.0",
-    "htmllint-cli": "0.0.7",
+    "htmllint-cli": "^0.0.6",
     "json": ">=10.0.0",
-    "mocha": "^6.2.2",
+    "mocha": "^9.1.3",
     "npm-run-all": "^4.0.0",
     "nyc": "^15.0.0",
-    "sinon": "^7.5.0",
-    "sinon-chai": "^3.3.0",
+    "sinon": "^8.1.1",
+    "sinon-chai": "^3.7.0",
     "stylelint": "^13.5.0",
     "stylelint-config-standard": "^20.0.0",
     "stylelint-order": "^4.0.0",
-    "web-ext": "^5.4.1",
+    "web-ext": "^6.6.0",
     "webextensions-jsdom": "^1.2.1"
   },
   "homepage": "https://github.com/mozilla/multi-account-containers#readme",