diff --git a/ember-launch-darkly/package.json b/ember-launch-darkly/package.json
index 43a4ec42..6c2d24fc 100644
--- a/ember-launch-darkly/package.json
+++ b/ember-launch-darkly/package.json
@@ -42,7 +42,7 @@
     "@embroider/addon-dev": "^3.1.1",
     "@rollup/plugin-babel": "^6.0.3",
     "babel-eslint": "^10.1.0",
-    "concurrently": "^7.6.0",
+    "concurrently": "^8.2.1",
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.6.0",
     "eslint-plugin-ember": "^11.8.0",
diff --git a/package.json b/package.json
index 85272eef..9bec28d7 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "@release-it-plugins/lerna-changelog": "5.0.0",
     "@release-it-plugins/workspaces": "3.2.0",
-    "concurrently": "7.6.0",
+    "concurrently": "8.2.1",
     "prettier": "2.8.4",
     "release-it": "15.11.0"
   },
diff --git a/test-app/package.json b/test-app/package.json
index e4aefe71..5637cc99 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -31,7 +31,7 @@
     "@glimmer/tracking": "^1.1.2",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "concurrently": "^7.6.0",
+    "concurrently": "^8.2.1",
     "ember-auto-import": "^2.6.1",
     "ember-cli": "~4.12.1",
     "ember-cli-babel": "^7.26.11",
diff --git a/yarn.lock b/yarn.lock
index 79624599..97bbf339 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3899,20 +3899,20 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==
 
-concurrently@7.6.0, concurrently@^7.6.0:
-  version "7.6.0"
-  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-7.6.0.tgz#531a6f5f30cf616f355a4afb8f8fcb2bba65a49a"
-  integrity sha512-BKtRgvcJGeZ4XttiDiNcFiRlxoAeZOseqUvyYRUp/Vtd+9p1ULmeoSqGsDA+2ivdeDFpqrJvGvmI+StKfKl5hw==
+concurrently@8.2.1, concurrently@^8.2.1:
+  version "8.2.1"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-8.2.1.tgz#bcab9cacc38c23c503839583151e0fa96fd5b584"
+  integrity sha512-nVraf3aXOpIcNud5pB9M82p1tynmZkrSGQ1p6X/VY8cJ+2LMVqAgXsJxYYefACSHbTYlm92O1xuhdGTjwoEvbQ==
   dependencies:
-    chalk "^4.1.0"
-    date-fns "^2.29.1"
+    chalk "^4.1.2"
+    date-fns "^2.30.0"
     lodash "^4.17.21"
-    rxjs "^7.0.0"
-    shell-quote "^1.7.3"
-    spawn-command "^0.0.2-1"
-    supports-color "^8.1.0"
+    rxjs "^7.8.1"
+    shell-quote "^1.8.1"
+    spawn-command "0.0.2"
+    supports-color "^8.1.1"
     tree-kill "^1.2.2"
-    yargs "^17.3.1"
+    yargs "^17.7.2"
 
 config-chain@^1.1.11:
   version "1.1.13"
@@ -4169,7 +4169,7 @@ data-urls@^2.0.0:
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
 
-date-fns@^2.29.1, date-fns@^2.30.0:
+date-fns@^2.30.0:
   version "2.30.0"
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.30.0.tgz#f367e644839ff57894ec6ac480de40cae4b0f4d0"
   integrity sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==
@@ -10531,7 +10531,7 @@ rxjs@^6.4.0, rxjs@^6.6.0:
   dependencies:
     tslib "^1.9.0"
 
-rxjs@^7.0.0, rxjs@^7.5.5, rxjs@^7.8.1:
+rxjs@^7.5.5, rxjs@^7.8.1:
   version "7.8.1"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.8.1.tgz#6f6f3d99ea8044291efd92e7c7fcf562c4057543"
   integrity sha512-AA3TVj+0A2iuIoQkWEK/tqFjBq2j+6PO6Y0zJcvzLAFhEFIO3HL0vls9hWLncZbAAbK0mar7oZ4V079I/qPMxg==
@@ -10760,7 +10760,7 @@ shebang-regex@^3.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-3.0.0.tgz#ae16f1644d873ecad843b0307b143362d4c42172"
   integrity sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==
 
-shell-quote@^1.7.3:
+shell-quote@^1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.8.1.tgz#6dbf4db75515ad5bac63b4f1894c3a154c766680"
   integrity sha512-6j1W9l1iAs/4xYBI1SYOVZyFcCis9b4KCLQ8fgAGG07QvzaRLVVRQvAy85yNmmZSjYjg4MWh4gNvlPujU/5LpA==
@@ -11015,10 +11015,10 @@ spawn-args@^0.2.0:
   resolved "https://registry.yarnpkg.com/spawn-args/-/spawn-args-0.2.0.tgz#fb7d0bd1d70fd4316bd9e3dec389e65f9d6361bb"
   integrity sha512-73BoniQDcRWgnLAf/suKH6V5H54gd1KLzwYN9FB6J/evqTV33htH9xwV/4BHek+++jzxpVlZQKKZkqstPQPmQg==
 
-spawn-command@^0.0.2-1:
-  version "0.0.2-1"
-  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2-1.tgz#62f5e9466981c1b796dc5929937e11c9c6921bd0"
-  integrity sha512-n98l9E2RMSJ9ON1AKisHzz7V42VDiBQGY6PB1BwRglz99wpVsSuGzQ+jOi6lFXBGVTCrRpltvjm+/XA+tpeJrg==
+spawn-command@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2.tgz#9544e1a43ca045f8531aac1a48cb29bdae62338e"
+  integrity sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==
 
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
@@ -11276,7 +11276,7 @@ supports-color@^7.1.0:
   dependencies:
     has-flag "^4.0.0"
 
-supports-color@^8.0.0, supports-color@^8.1.0:
+supports-color@^8.0.0, supports-color@^8.1.1:
   version "8.1.1"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-8.1.1.tgz#cd6fc17e28500cff56c1b86c0a7fd4a54a73005c"
   integrity sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==
@@ -12415,7 +12415,7 @@ yargs@^16.0.0:
     y18n "^5.0.5"
     yargs-parser "^20.2.2"
 
-yargs@^17.0.1, yargs@^17.1.0, yargs@^17.3.1, yargs@^17.7.2:
+yargs@^17.0.1, yargs@^17.1.0, yargs@^17.7.2:
   version "17.7.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-17.7.2.tgz#991df39aca675a192b816e1e0363f9d75d2aa269"
   integrity sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==