diff --git a/package-lock.json b/package-lock.json
index 05aea4f..b853555 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "@types/ember__engine": "4.0.11",
         "@types/ember__error": "4.0.6",
         "@types/ember__helper": "4.0.7",
-        "@types/ember__modifier": "4.0.8",
+        "@types/ember__modifier": "4.0.9",
         "@types/ember__object": "4.0.11",
         "@types/ember__owner": "4.0.8",
         "@types/ember__polyfills": "4.0.5",
@@ -9263,9 +9263,9 @@
       }
     },
     "node_modules/@types/ember__modifier": {
-      "version": "4.0.8",
-      "resolved": "https://registry.npmjs.org/@types/ember__modifier/-/ember__modifier-4.0.8.tgz",
-      "integrity": "sha512-DkK+mnQg6XY+bOTLUC8eAN8OD+OW1nXzLjWGWooQs0NgwopvKBYE1PbHA2TJhEjdjzSmVSdhdZ1jSxwVpscKUQ==",
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/ember__modifier/-/ember__modifier-4.0.9.tgz",
+      "integrity": "sha512-npIlSh17198HHKKGtuVkhkGNKnFYJ4hpyy5ttmIEsPIm5N2zuNkl5YJd70i6j2ePLyKxpdfKz1GZqbJkrtTuVg==",
       "dev": true,
       "dependencies": {
         "@types/ember": "*",
diff --git a/package.json b/package.json
index ad3e88f..37b074d 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "@types/ember__engine": "4.0.11",
     "@types/ember__error": "4.0.6",
     "@types/ember__helper": "4.0.7",
-    "@types/ember__modifier": "4.0.8",
+    "@types/ember__modifier": "4.0.9",
     "@types/ember__object": "4.0.11",
     "@types/ember__owner": "4.0.8",
     "@types/ember__polyfills": "4.0.5",