diff --git a/package.json b/package.json
index 53f490c..8fa4cac 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "ember-cli": "6.9.1",
     "ember-cli-clean-css": "3.0.0",
     "ember-cli-dependency-checker": "3.3.3",
-    "ember-cli-deprecation-workflow": "3.4.0",
+    "ember-cli-deprecation-workflow": "4.0.0",
     "ember-cli-inject-live-reload": "2.1.0",
     "ember-cli-sri": "2.1.1",
     "ember-cli-terser": "4.0.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 18544bc..4dced3f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -79,8 +79,8 @@ importers:
         specifier: 3.3.3
         version: 3.3.3(ember-cli@6.9.1(@types/node@25.0.6)(handlebars@4.7.8)(underscore@1.13.7))
       ember-cli-deprecation-workflow:
-        specifier: 3.4.0
-        version: 3.4.0(ember-source@6.10.0(@glimmer/component@2.0.0)(rsvp@4.8.5))
+        specifier: 4.0.0
+        version: 4.0.0(@babel/core@7.28.5)
       ember-cli-inject-live-reload:
         specifier: 2.1.0
         version: 2.1.0
@@ -2754,11 +2754,8 @@ packages:
     peerDependencies:
       ember-cli: ^3.2.0 || >=4.0.0
 
-  ember-cli-deprecation-workflow@3.4.0:
-    resolution: {integrity: sha512-Ksrmib4mjD4xa0dqFgxJLBwkSp9EVYH6jSqe2NpODlBKEAZhsVzQj5wKPnC1dXfK3Erq/r1Fh3q4g46FZiCUiw==}
-    engines: {node: '>= 18'}
-    peerDependencies:
-      ember-source: '>= 3.28.0'
+  ember-cli-deprecation-workflow@4.0.0:
+    resolution: {integrity: sha512-HGF7LSz6f8Vx3sISYXnoiuk+8eBULUt7cS/U1YwGMAJtXvL1jvz8PvyAPyrBpcyNP85U+u+3UdKeTWG0HuLbNw==}
 
   ember-cli-get-component-path-option@1.0.0:
     resolution: {integrity: sha512-k47TDwcJ2zPideBCZE8sCiShSxQSpebY2BHcX2DdipMmBox5gsfyVrbKJWIHeSTTKyEUgmBIvQkqTOozEziCZA==}
@@ -5926,6 +5923,7 @@ packages:
   tar@6.2.1:
     resolution: {integrity: sha512-DZ4yORTwrbTj/7MZYq2w+/ZFdI6OZ/f9SFHR+71gIVUZhOQPHzVCLpvRnPgyaMpfWxxk/4ONva3GQSyNIKRv6A==}
     engines: {node: '>=10'}
+    deprecated: Old versions of tar are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exhorbitant rates) by contacting i@izs.me
 
   temp-dir@2.0.0:
     resolution: {integrity: sha512-aoBAniQmmwtcKp/7BzsH8Cxzv8OL736p7v1ihGb5e9DJ9kTwGWHrQrVB5+lfVDzfGrdRzXch+ig7LHaY1JTOrg==}
@@ -9358,14 +9356,14 @@ snapshots:
 
   decorator-transforms@1.2.1(@babel/core@7.28.5):
     dependencies:
-      '@babel/plugin-syntax-decorators': 7.27.1(@babel/core@7.28.5)
+      '@babel/plugin-syntax-decorators': 7.28.6(@babel/core@7.28.5)
       babel-import-util: 2.1.1
     transitivePeerDependencies:
       - '@babel/core'
 
   decorator-transforms@2.3.1(@babel/core@7.28.5):
     dependencies:
-      '@babel/plugin-syntax-decorators': 7.27.1(@babel/core@7.28.5)
+      '@babel/plugin-syntax-decorators': 7.28.6(@babel/core@7.28.5)
       babel-import-util: 3.0.1
     transitivePeerDependencies:
       - '@babel/core'
@@ -9650,12 +9648,12 @@ snapshots:
       resolve: 1.22.11
       semver: 5.7.2
 
-  ember-cli-deprecation-workflow@3.4.0(ember-source@6.10.0(@glimmer/component@2.0.0)(rsvp@4.8.5)):
+  ember-cli-deprecation-workflow@4.0.0(@babel/core@7.28.5):
     dependencies:
-      '@babel/core': 7.28.5
-      ember-cli-babel: 8.2.0(@babel/core@7.28.5)
-      ember-source: 6.10.0(@glimmer/component@2.0.0)(rsvp@4.8.5)
+      '@embroider/addon-shim': 1.10.2
+      decorator-transforms: 2.3.1(@babel/core@7.28.5)
     transitivePeerDependencies:
+      - '@babel/core'
       - supports-color
 
   ember-cli-get-component-path-option@1.0.0: {}
@@ -12986,7 +12984,7 @@ snapshots:
   remove-types@1.0.0:
     dependencies:
       '@babel/core': 7.28.5
-      '@babel/plugin-syntax-decorators': 7.27.1(@babel/core@7.28.5)
+      '@babel/plugin-syntax-decorators': 7.28.6(@babel/core@7.28.5)
       '@babel/plugin-transform-typescript': 7.28.5(@babel/core@7.28.5)
       prettier: 2.8.8
     transitivePeerDependencies: