diff --git a/package-lock.json b/package-lock.json
index 7365dc6..396193f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
       "devDependencies": {
         "broccoli-asset-rev": "^3.0.0",
-        "ember-cli": "~5.8.1",
+        "ember-cli": "~5.9.0",
         "ember-cli-dependency-checker": "^3.1.0",
         "ember-cli-eslint": "^5.1.0",
         "ember-cli-htmlbars": "^6.0.0",
@@ -9121,9 +9121,9 @@
       "dev": true
     },
     "node_modules/ember-cli": {
-      "version": "5.8.1",
-      "resolved": "https://registry.npmjs.org/ember-cli/-/ember-cli-5.8.1.tgz",
-      "integrity": "sha512-rW7NFCaC02Bj52ZaI22UM43YT7gaRNLkQzBfhZYVpWW1+SMrdQXCxuPs6kqKRxqk4xauUpfCzCDFH92icq+mKg==",
+      "version": "5.9.0",
+      "resolved": "https://registry.npmjs.org/ember-cli/-/ember-cli-5.9.0.tgz",
+      "integrity": "sha512-3+4F9STw4yRttzMCCrbpAwwQLtUqIwVug/Ve6rvUFvcpK//n8Q6N7iaPBHhYOFGwwok8Nr0jfkINxLWTl6WrlA==",
       "dev": true,
       "dependencies": {
         "@pnpm/find-workspace-dir": "^6.0.2",
diff --git a/package.json b/package.json
index 8612f2d..c0b1350 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "broccoli-asset-rev": "^3.0.0",
-    "ember-cli": "~5.8.1",
+    "ember-cli": "~5.9.0",
     "ember-cli-dependency-checker": "^3.1.0",
     "ember-cli-eslint": "^5.1.0",
     "ember-cli-htmlbars": "^6.0.0",