diff --git a/package.json b/package.json
index bc78821f9..f1101a9e0 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@ember-intl/cp-validations": "^4.0.1",
-    "@ember/optional-features": "^2.0.0",
+    "@ember/optional-features": "^1.3.0",
     "@glimmer/component": "^1.0.1",
     "@glimmer/tracking": "^1.0.0",
     "babel-eslint": "^10.1.0",
@@ -36,7 +36,7 @@
     "ember-classic-decorator": "^2.0.0",
     "ember-cli": "~3.22.0",
     "ember-cli-acceptance-test-helpers": "^1.0.0",
-    "ember-cli-app-version": "^4.0.0",
+    "ember-cli-app-version": "^3.2.0",
     "ember-cli-babel": "^7.21.0",
     "ember-cli-browser-navigation-button-test-helper": "^0.2.0",
     "ember-cli-browserstack": "^1.0.0",
@@ -66,14 +66,13 @@
     "ember-load-initializers": "^2.1.1",
     "ember-math-helpers": "^2.8.1",
     "ember-maybe-import-regenerator": "^0.1.6",
-    "ember-modifier": "^2.1.1",
     "ember-moment": "^8.0.0",
     "ember-page-title": "^5.0.0",
     "ember-power-calendar": "^0.16.0",
     "ember-power-calendar-moment": "^0.1.4",
     "ember-qunit": "^4.6.0",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.20.2",
+    "ember-source": "~3.22.0",
     "ember-template-lint": "^2.9.1",
     "ember-test-selectors": "^5.0.0",
     "ember-transition-helper": "^1.0.0",
@@ -88,7 +87,7 @@
     "open-iconic": "^1.1.1",
     "qunit-dom": "^1.2.0",
     "release-it": "^14.0.0",
-    "release-it-lerna-changelog": "^3.0.0",
+    "release-it-lerna-changelog": "^2.0.0",
     "sass": "^1.19.0",
     "sjcl": "^1.0.8"
   },