diff --git a/package-lock.json b/package-lock.json
index 27a3595..3089d46 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "@objectstack/spec": "^0.8.2"
+        "@objectstack/spec": "^0.9.0"
       },
       "devDependencies": {
         "@types/node": "^25.0.10",
@@ -20,9 +20,9 @@
       }
     },
     "node_modules/@objectstack/spec": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/@objectstack/spec/-/spec-0.8.2.tgz",
-      "integrity": "sha512-PLEREF3dGIPRooKbAJPv8weC8cuAPFXoQcFXntGxeLdoCb4iOyDjujSRpCIpyG3dNXtDvr+SL8O1bX7QolsUFw==",
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/@objectstack/spec/-/spec-0.9.0.tgz",
+      "integrity": "sha512-AdPhlP3Lfv82cJgwiyoFk/XHz5Lk5jACUbFB5n3oyJFXTcgqo7dblfZ/74EWI8k78dgg/PeTMXz9yRlpD7hMQA==",
       "license": "Apache-2.0",
       "dependencies": {
         "zod": "^4.3.6"
diff --git a/package.json b/package.json
index 844e9eb..a948af9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "example": "node dist/example.js"
   },
   "dependencies": {
-    "@objectstack/spec": "^0.8.2"
+    "@objectstack/spec": "^0.9.0"
   },
   "devDependencies": {
     "@types/node": "^25.0.10",