diff --git a/packages/plugins/trpc/tests/projects/nuxt-trpc-v10/package.json b/packages/plugins/trpc/tests/projects/nuxt-trpc-v10/package.json
index a26fb9acf..c3c2d8d33 100644
--- a/packages/plugins/trpc/tests/projects/nuxt-trpc-v10/package.json
+++ b/packages/plugins/trpc/tests/projects/nuxt-trpc-v10/package.json
@@ -10,7 +10,7 @@
         "postinstall": "nuxt prepare"
     },
     "dependencies": {
-        "@prisma/client": "6.5.x",
+        "@prisma/client": "6.6.x",
         "@trpc/client": "^10.45.2",
         "@trpc/server": "^10.45.2",
         "nuxt": "^3.14.1592",
@@ -21,7 +21,7 @@
     },
     "devDependencies": {
         "esbuild": "^0.24.0",
-        "prisma": "6.5.x",
+        "prisma": "6.6.x",
         "typescript": "^5.6.2",
         "vue-tsc": "^2.1.10"
     }
diff --git a/packages/plugins/trpc/tests/projects/nuxt-trpc-v11/package.json b/packages/plugins/trpc/tests/projects/nuxt-trpc-v11/package.json
index 26bb4cd05..7073f896c 100644
--- a/packages/plugins/trpc/tests/projects/nuxt-trpc-v11/package.json
+++ b/packages/plugins/trpc/tests/projects/nuxt-trpc-v11/package.json
@@ -10,7 +10,7 @@
         "postinstall": "nuxt prepare"
     },
     "dependencies": {
-        "@prisma/client": "6.5.x",
+        "@prisma/client": "6.6.x",
         "@trpc/client": "^11.0.0-rc.563",
         "@trpc/server": "^11.0.0-rc.563",
         "nuxt": "^3.14.1592",
@@ -21,7 +21,7 @@
     },
     "devDependencies": {
         "esbuild": "^0.24.0",
-        "prisma": "6.5.x",
+        "prisma": "6.6s.x",
         "typescript": "^5.6.2",
         "vue-tsc": "^2.1.10"
     }
diff --git a/packages/plugins/trpc/tests/projects/t3-trpc-v11/package.json b/packages/plugins/trpc/tests/projects/t3-trpc-v11/package.json
index 20099f251..3c230ca8b 100644
--- a/packages/plugins/trpc/tests/projects/t3-trpc-v11/package.json
+++ b/packages/plugins/trpc/tests/projects/t3-trpc-v11/package.json
@@ -15,7 +15,7 @@
         "start": "next start"
     },
     "dependencies": {
-        "@prisma/client": "6.5.x",
+        "@prisma/client": "6.6.x",
         "@t3-oss/env-nextjs": "^0.10.1",
         "@tanstack/react-query": "^5.50.0",
         "@trpc/client": "^11.0.0-rc.446",
@@ -39,7 +39,7 @@
         "@typescript-eslint/parser": "^8.1.0",
         "eslint": "^8.57.0",
         "eslint-config-next": "^14.2.4",
-        "prisma": "6.5.x",
+        "prisma": "6.6.x",
         "typescript": "^5.5.3"
     },
     "ct3aMetadata": {
diff --git a/packages/runtime/package.json b/packages/runtime/package.json
index b53370c3d..00ffe2489 100644
--- a/packages/runtime/package.json
+++ b/packages/runtime/package.json
@@ -116,7 +116,7 @@
         "zod-validation-error": "^1.5.0"
     },
     "peerDependencies": {
-        "@prisma/client": "5.0.0 - 6.5.x"
+        "@prisma/client": "5.0.0 - 6.6.x"
     },
     "author": {
         "name": "ZenStack Team"
diff --git a/packages/schema/package.json b/packages/schema/package.json
index 760bfc0c7..0e77617a5 100644
--- a/packages/schema/package.json
+++ b/packages/schema/package.json
@@ -123,10 +123,10 @@
         "zod-validation-error": "^1.5.0"
     },
     "peerDependencies": {
-        "prisma": "5.0.0 - 6.5.x"
+        "prisma": "5.0.0 - 6.6.x"
     },
     "devDependencies": {
-        "@prisma/client": "6.5.x",
+        "@prisma/client": "6.6.x",
         "@types/async-exit-hook": "^2.0.0",
         "@types/pluralize": "^0.0.29",
         "@types/semver": "^7.3.13",
diff --git a/packages/schema/src/plugins/enhancer/enhance/index.ts b/packages/schema/src/plugins/enhancer/enhance/index.ts
index c5a497240..a6ebf486f 100644
--- a/packages/schema/src/plugins/enhancer/enhance/index.ts
+++ b/packages/schema/src/plugins/enhancer/enhance/index.ts
@@ -1,4 +1,3 @@
-import { ReadonlyDeep } from '@prisma/generator-helper';
 import { DELEGATE_AUX_RELATION_PREFIX } from '@zenstackhq/runtime';
 import {
     PluginError,
@@ -422,7 +421,7 @@ export type Enhanced<Client> =
         return dmmf;
     }
 
-    private shouldBeOptional(field: ReadonlyDeep<DMMF.SchemaArg>, dataModel: DataModel) {
+    private shouldBeOptional(field: DMMF.SchemaArg, dataModel: DataModel) {
         const dmField = dataModel.fields.find((f) => f.name === field.name);
         if (!dmField) {
             return false;
diff --git a/packages/sdk/package.json b/packages/sdk/package.json
index 44a4e2bf6..5c8e4fab2 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -18,8 +18,8 @@
     "author": "",
     "license": "MIT",
     "dependencies": {
-        "@prisma/generator-helper": "6.5.x",
-        "@prisma/internals": "6.5.x",
+        "@prisma/generator-helper": "6.6.x",
+        "@prisma/internals": "6.6.x",
         "@zenstackhq/language": "workspace:*",
         "@zenstackhq/runtime": "workspace:*",
         "langium": "1.3.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a73bb0f1b..d3f18b5d6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -392,8 +392,8 @@ importers:
   packages/runtime:
     dependencies:
       '@prisma/client':
-        specifier: 5.0.0 - 6.5.x
-        version: 6.5.0(prisma@6.0.0)(typescript@5.5.2)
+        specifier: 5.0.0 - 6.6.x
+        version: 6.6.0(prisma@6.0.0)(typescript@5.5.2)
       bcryptjs:
         specifier: ^2.4.3
         version: 2.4.3
@@ -523,7 +523,7 @@ importers:
         specifier: ^4.0.0
         version: 4.0.1
       prisma:
-        specifier: 5.0.0 - 6.5.x
+        specifier: 5.0.0 - 6.6.x
         version: 6.0.0
       semver:
         specifier: ^7.5.2
@@ -575,8 +575,8 @@ importers:
         version: 1.5.0(zod@3.23.8)
     devDependencies:
       '@prisma/client':
-        specifier: 6.5.x
-        version: 6.5.0(prisma@6.0.0)(typescript@5.5.2)
+        specifier: 6.6.x
+        version: 6.6.0(prisma@6.0.0)(typescript@5.5.2)
       '@types/async-exit-hook':
         specifier: ^2.0.0
         version: 2.0.2
@@ -627,11 +627,11 @@ importers:
   packages/sdk:
     dependencies:
       '@prisma/generator-helper':
-        specifier: 6.5.x
-        version: 6.5.0
+        specifier: 6.6.x
+        version: 6.6.0
       '@prisma/internals':
-        specifier: 6.5.x
-        version: 6.5.0(typescript@5.5.2)
+        specifier: 6.6.x
+        version: 6.6.0(typescript@5.5.2)
       '@zenstackhq/language':
         specifier: workspace:*
         version: link:../language/dist
@@ -2574,8 +2574,8 @@ packages:
       prisma:
         optional: true
 
-  '@prisma/client@6.5.0':
-    resolution: {integrity: sha512-M6w1Ql/BeiGoZmhMdAZUXHu5sz5HubyVcKukbLs3l0ELcQb8hTUJxtGEChhv4SVJ0QJlwtLnwOLgIRQhpsm9dw==}
+  '@prisma/client@6.6.0':
+    resolution: {integrity: sha512-vfp73YT/BHsWWOAuthKQ/1lBgESSqYqAWZEYyTdGXyFAHpmewwWL2Iz6ErIzkj4aHbuc6/cGSsE6ZY+pBO04Cg==}
     engines: {node: '>=18.18'}
     peerDependencies:
       prisma: '*'
@@ -2586,8 +2586,8 @@ packages:
       typescript:
         optional: true
 
-  '@prisma/config@6.5.0':
-    resolution: {integrity: sha512-sOH/2Go9Zer67DNFLZk6pYOHj+rumSb0VILgltkoxOjYnlLqUpHPAN826vnx8HigqnOCxj9LRhT6U7uLiIIWgw==}
+  '@prisma/config@6.6.0':
+    resolution: {integrity: sha512-d8FlXRHsx72RbN8nA2QCRORNv5AcUnPXgtPvwhXmYkQSMF/j9cKaJg+9VcUzBRXGy9QBckNzEQDEJZdEOZ+ubA==}
 
   '@prisma/debug@5.14.0':
     resolution: {integrity: sha512-iq56qBZuFfX3fCxoxT8gBX33lQzomBU0qIUaEj1RebsKVz1ob/BVH1XSBwwwvRVtZEV1b7Fxx2eVu34Ge/mg3w==}
@@ -2595,8 +2595,14 @@ packages:
   '@prisma/debug@6.0.0':
     resolution: {integrity: sha512-eUjoNThlDXdyJ1iQ2d7U6aTVwm59EwvODb5zFVNJEokNoSiQmiYWNzZIwZyDmZ+j51j42/0iTaHIJ4/aZPKFRg==}
 
-  '@prisma/debug@6.5.0':
-    resolution: {integrity: sha512-fc/nusYBlJMzDmDepdUtH9aBsJrda2JNErP9AzuHbgUEQY0/9zQYZdNlXmKoIWENtio+qarPNe/+DQtrX5kMcQ==}
+  '@prisma/debug@6.6.0':
+    resolution: {integrity: sha512-DL6n4IKlW5k2LEXzpN60SQ1kP/F6fqaCgU/McgaYsxSf43GZ8lwtmXLke9efS+L1uGmrhtBUP4npV/QKF8s2ZQ==}
+
+  '@prisma/dmmf@6.6.0':
+    resolution: {integrity: sha512-2LoSX0ZVwIiKck5wMCVxeGg9K9z6CULB8xyTbLF3YTvuhOp+fQozelUphaGZA9jN4MF58z6TfUXIMMPVwtxjbQ==}
+
+  '@prisma/driver-adapter-utils@6.6.0':
+    resolution: {integrity: sha512-hbYdZQsJS1ix924mg3eVpGKQ01ZzDPhI/VnA3Opgz1sNB7QMLNw1kl6sEmwSDbtJlVvZOvRxRZmG2BfkW9eaqA==}
 
   '@prisma/engines-version@5.14.0-25.e9771e62de70f79a5e1c604a2d7c8e2a0a874b48':
     resolution: {integrity: sha512-ip6pNkRo1UxWv+6toxNcYvItNYaqQjXdFNGJ+Nuk2eYtRoEdoF13wxo7/jsClJFFenMPVNVqXQDV0oveXnR1cA==}
@@ -2604,8 +2610,8 @@ packages:
   '@prisma/engines-version@5.23.0-27.5dbef10bdbfb579e07d35cc85fb1518d357cb99e':
     resolution: {integrity: sha512-JmIds0Q2/vsOmnuTJYxY4LE+sajqjYKhLtdOT6y4imojqv5d/aeVEfbBGC74t8Be1uSp0OP8lxIj2OqoKbLsfQ==}
 
-  '@prisma/engines-version@6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60':
-    resolution: {integrity: sha512-iK3EmiVGFDCmXjSpdsKGNqy9hOdLnvYBrJB61far/oP03hlIxrb04OWmDjNTwtmZ3UZdA5MCvI+f+3k2jPTflQ==}
+  '@prisma/engines-version@6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a':
+    resolution: {integrity: sha512-JzRaQ5Em1fuEcbR3nUsMNYaIYrOT1iMheenjCvzZblJcjv/3JIuxXN7RCNT5i6lRkLodW5ojCGhR7n5yvnNKrw==}
 
   '@prisma/engines@5.14.0':
     resolution: {integrity: sha512-lgxkKZ6IEygVcw6IZZUlPIfLQ9hjSYAtHjZ5r64sCLDgVzsPFCi2XBBJgzPMkOQ5RHzUD4E/dVdpn9+ez8tk1A==}
@@ -2613,8 +2619,8 @@ packages:
   '@prisma/engines@6.0.0':
     resolution: {integrity: sha512-ZZCVP3q22ifN6Ex6C8RIcTDBlRtMJS2H1ljV0knCiWNGArvvkEbE88W3uDdq/l4+UvyvHpGzdf9ZsCWSQR7ZQQ==}
 
-  '@prisma/engines@6.5.0':
-    resolution: {integrity: sha512-FVPQYHgOllJklN9DUyujXvh3hFJCY0NX86sDmBErLvoZjy2OXGiZ5FNf3J/C4/RZZmCypZBYpBKEhx7b7rEsdw==}
+  '@prisma/engines@6.6.0':
+    resolution: {integrity: sha512-nC0IV4NHh7500cozD1fBoTwTD1ydJERndreIjpZr/S3mno3P6tm8qnXmIND5SwUkibNeSJMpgl4gAnlqJ/gVlg==}
 
   '@prisma/fetch-engine@5.14.0':
     resolution: {integrity: sha512-VrheA9y9DMURK5vu8OJoOgQpxOhas3qF0IBHJ8G/0X44k82kc8E0w98HCn2nhnbOOMwbWsJWXfLC2/F8n5u0gQ==}
@@ -2622,14 +2628,17 @@ packages:
   '@prisma/fetch-engine@6.0.0':
     resolution: {integrity: sha512-j2m+iO5RDPRI7SUc7sHo8wX7SA4iTkJ+18Sxch8KinQM46YiCQD1iXKN6qU79C1Fliw5Bw/qDyTHaTsa3JMerA==}
 
-  '@prisma/fetch-engine@6.5.0':
-    resolution: {integrity: sha512-3LhYA+FXP6pqY8FLHCjewyE8pGXXJ7BxZw2rhPq+CZAhvflVzq4K8Qly3OrmOkn6wGlz79nyLQdknyCG2HBTuA==}
+  '@prisma/fetch-engine@6.6.0':
+    resolution: {integrity: sha512-Ohfo8gKp05LFLZaBlPUApM0M7k43a0jmo86YY35u1/4t+vuQH9mRGU7jGwVzGFY3v+9edeb/cowb1oG4buM1yw==}
 
   '@prisma/generator-helper@5.14.0':
     resolution: {integrity: sha512-xVc71cmTnPZ0lnSs4FAY6Ta72vFJ3webrQwKMQ2ujr6hDG1VPIEf820T1TOS3ZZQd/OKigNKXnq3co8biz9/qw==}
 
-  '@prisma/generator-helper@6.5.0':
-    resolution: {integrity: sha512-71ELYxnSE4soeV0BlWJEMgO4KkCowuzHsPY3o7quFOtlcmds5ZX190VZK/k9HMJWdPQ893HooBv3BkKvieR7vA==}
+  '@prisma/generator-helper@6.6.0':
+    resolution: {integrity: sha512-pKxkyb+tCb5vPaMkK6SdHkK5qkQIPDSw1T3BAfl6XWDwDwnP4f5CsJ6/VaBhtvqZ5bqfUQLvT+slaGrJQXiw9g==}
+
+  '@prisma/generator@6.6.0':
+    resolution: {integrity: sha512-UO1PFYd8Qh0LZoN/9wwAukgoDs8chLqGPho7ZBZejVKv1UpaEJvxgwS+LwlmkQ3Ay0GdsL6mjN8QxEi91xIomQ==}
 
   '@prisma/get-platform@5.14.0':
     resolution: {integrity: sha512-/yAyBvcEjRv41ynZrhdrPtHgk47xLRRq/o5eWGcUpBJ1YrUZTYB8EoPiopnP7iQrMATK8stXQdPOoVlrzuTQZw==}
@@ -2637,14 +2646,14 @@ packages:
   '@prisma/get-platform@6.0.0':
     resolution: {integrity: sha512-PS6nYyIm9g8C03E4y7LknOfdCw/t2KyEJxntMPQHQZCOUgOpF82Ma60mdlOD08w90I3fjLiZZ0+MadenR3naDQ==}
 
-  '@prisma/get-platform@6.5.0':
-    resolution: {integrity: sha512-xYcvyJwNMg2eDptBYFqFLUCfgi+wZLcj6HDMsj0Qw0irvauG4IKmkbywnqwok0B+k+W+p+jThM2DKTSmoPCkzw==}
+  '@prisma/get-platform@6.6.0':
+    resolution: {integrity: sha512-3qCwmnT4Jh5WCGUrkWcc6VZaw0JY7eWN175/pcb5Z6FiLZZ3ygY93UX0WuV41bG51a6JN/oBH0uywJ90Y+V5eA==}
 
   '@prisma/internals@5.14.0':
     resolution: {integrity: sha512-s0JRNDmR2bvcyy0toz89jy7SbbjANAs4e9KCReNvSm5czctIaZzDf68tcOXdtH0G7m9mKhVhNPdS9lMky0DhWA==}
 
-  '@prisma/internals@6.5.0':
-    resolution: {integrity: sha512-4hI114ho/BVvxSIZ7lQB3TPxGrSnt5+aYhKMzQU5+l659Qcjjiz56hZ/rXph3xIlgJUWVQyzwAS9/ZAMgXUySw==}
+  '@prisma/internals@6.6.0':
+    resolution: {integrity: sha512-wKGuKZ5IDHoT9DIjxT1JCoSYsEJ160MMKgsmKnHVM4rq0rmQEPVo2qiVuhV0kJSipx+uIi1b7LOL25/0zO7Xog==}
     peerDependencies:
       typescript: '>=5.1.0'
     peerDependenciesMeta:
@@ -2657,14 +2666,17 @@ packages:
   '@prisma/prisma-schema-wasm@5.14.0-25.e9771e62de70f79a5e1c604a2d7c8e2a0a874b48':
     resolution: {integrity: sha512-WeTmJ0mK8ALoKJUQFO+465k9lm1JWS4ODUg7akJq1wjgyDU1RTAzDFli8ESmNJlMVgJgoAd6jXmzcnoA0HT9Lg==}
 
-  '@prisma/prisma-schema-wasm@6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60':
-    resolution: {integrity: sha512-8zmXO5Luw5sCOgTw9nyN4/x7MgmIUUt/9zQZPPStiMUhZsXH72oqFwYJlibdS77gDuH2+DXgSRv6aPleDdTMsQ==}
+  '@prisma/prisma-schema-wasm@6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a':
+    resolution: {integrity: sha512-lyfyH5xm9hygB1mx083ofzfDwByghcMN2b3a3dG22HsYbWvHUatTtgxtzqgLH7m1HTTxf8UkMu0P6Q9VHfBW6A==}
+
+  '@prisma/schema-engine-wasm@6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a':
+    resolution: {integrity: sha512-uzkaVo0K/j7XBtL1uHh78w0dQo5uks4M+/qdN/Y69HQo09WUy6iFQvNjI8haQgLcj/G3M4Ru5i4bHYtaS9vKWg==}
 
   '@prisma/schema-files-loader@5.14.0':
     resolution: {integrity: sha512-n1QHR2C63dARKPZe0WPn7biybcBHzXe+BEmiHC5Drq9KPWnpmQtIfGpqm1ZKdvCZfcA5FF3wgpSMPK4LnB0obQ==}
 
-  '@prisma/schema-files-loader@6.5.0':
-    resolution: {integrity: sha512-BE+YPIcqXx+9MkPsA/mACz3rGhKUfh5rsoGe1Male/0c9my9CaHKzJFxNAV4f70d6GTMMITQgFpwfrudGFOwpw==}
+  '@prisma/schema-files-loader@6.6.0':
+    resolution: {integrity: sha512-g8PWSF8cLKTfmgVHkg79T/9EKsGR+6HozqNpcAK2Avpe0MGwIXwTC/HW2Lc8kJfoPmMiCoh6Y5ClafMvp6nlPA==}
 
   '@protobufjs/aspromise@1.1.2':
     resolution: {integrity: sha512-j+gKExEuLmKwvz3OgROXtrJ2UG2x8Ch2YZUxahh+s1F2HZ+wAceUNLkvy6zKCPVRkU++ZWQrdxsUeQXmcg4uoQ==}
@@ -10707,12 +10719,12 @@ snapshots:
     optionalDependencies:
       prisma: 6.0.0
 
-  '@prisma/client@6.5.0(prisma@6.0.0)(typescript@5.5.2)':
+  '@prisma/client@6.6.0(prisma@6.0.0)(typescript@5.5.2)':
     optionalDependencies:
       prisma: 6.0.0
       typescript: 5.5.2
 
-  '@prisma/config@6.5.0':
+  '@prisma/config@6.6.0':
     dependencies:
       esbuild: 0.24.0
       esbuild-register: 3.6.0(esbuild@0.24.0)
@@ -10723,13 +10735,19 @@ snapshots:
 
   '@prisma/debug@6.0.0': {}
 
-  '@prisma/debug@6.5.0': {}
+  '@prisma/debug@6.6.0': {}
+
+  '@prisma/dmmf@6.6.0': {}
+
+  '@prisma/driver-adapter-utils@6.6.0':
+    dependencies:
+      '@prisma/debug': 6.6.0
 
   '@prisma/engines-version@5.14.0-25.e9771e62de70f79a5e1c604a2d7c8e2a0a874b48': {}
 
   '@prisma/engines-version@5.23.0-27.5dbef10bdbfb579e07d35cc85fb1518d357cb99e': {}
 
-  '@prisma/engines-version@6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60': {}
+  '@prisma/engines-version@6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a': {}
 
   '@prisma/engines@5.14.0':
     dependencies:
@@ -10745,12 +10763,12 @@ snapshots:
       '@prisma/fetch-engine': 6.0.0
       '@prisma/get-platform': 6.0.0
 
-  '@prisma/engines@6.5.0':
+  '@prisma/engines@6.6.0':
     dependencies:
-      '@prisma/debug': 6.5.0
-      '@prisma/engines-version': 6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60
-      '@prisma/fetch-engine': 6.5.0
-      '@prisma/get-platform': 6.5.0
+      '@prisma/debug': 6.6.0
+      '@prisma/engines-version': 6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a
+      '@prisma/fetch-engine': 6.6.0
+      '@prisma/get-platform': 6.6.0
 
   '@prisma/fetch-engine@5.14.0':
     dependencies:
@@ -10764,19 +10782,23 @@ snapshots:
       '@prisma/engines-version': 5.23.0-27.5dbef10bdbfb579e07d35cc85fb1518d357cb99e
       '@prisma/get-platform': 6.0.0
 
-  '@prisma/fetch-engine@6.5.0':
+  '@prisma/fetch-engine@6.6.0':
     dependencies:
-      '@prisma/debug': 6.5.0
-      '@prisma/engines-version': 6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60
-      '@prisma/get-platform': 6.5.0
+      '@prisma/debug': 6.6.0
+      '@prisma/engines-version': 6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a
+      '@prisma/get-platform': 6.6.0
 
   '@prisma/generator-helper@5.14.0':
     dependencies:
       '@prisma/debug': 5.14.0
 
-  '@prisma/generator-helper@6.5.0':
+  '@prisma/generator-helper@6.6.0':
     dependencies:
-      '@prisma/debug': 6.5.0
+      '@prisma/debug': 6.6.0
+      '@prisma/dmmf': 6.6.0
+      '@prisma/generator': 6.6.0
+
+  '@prisma/generator@6.6.0': {}
 
   '@prisma/get-platform@5.14.0':
     dependencies:
@@ -10786,9 +10808,9 @@ snapshots:
     dependencies:
       '@prisma/debug': 6.0.0
 
-  '@prisma/get-platform@6.5.0':
+  '@prisma/get-platform@6.6.0':
     dependencies:
-      '@prisma/debug': 6.5.0
+      '@prisma/debug': 6.6.0
 
   '@prisma/internals@5.14.0':
     dependencies:
@@ -10802,16 +10824,20 @@ snapshots:
       arg: 5.0.2
       prompts: 2.4.2
 
-  '@prisma/internals@6.5.0(typescript@5.5.2)':
-    dependencies:
-      '@prisma/config': 6.5.0
-      '@prisma/debug': 6.5.0
-      '@prisma/engines': 6.5.0
-      '@prisma/fetch-engine': 6.5.0
-      '@prisma/generator-helper': 6.5.0
-      '@prisma/get-platform': 6.5.0
-      '@prisma/prisma-schema-wasm': 6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60
-      '@prisma/schema-files-loader': 6.5.0
+  '@prisma/internals@6.6.0(typescript@5.5.2)':
+    dependencies:
+      '@prisma/config': 6.6.0
+      '@prisma/debug': 6.6.0
+      '@prisma/dmmf': 6.6.0
+      '@prisma/driver-adapter-utils': 6.6.0
+      '@prisma/engines': 6.6.0
+      '@prisma/fetch-engine': 6.6.0
+      '@prisma/generator': 6.6.0
+      '@prisma/generator-helper': 6.6.0
+      '@prisma/get-platform': 6.6.0
+      '@prisma/prisma-schema-wasm': 6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a
+      '@prisma/schema-engine-wasm': 6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a
+      '@prisma/schema-files-loader': 6.6.0
       arg: 5.0.2
       prompts: 2.4.2
     optionalDependencies:
@@ -10823,16 +10849,18 @@ snapshots:
 
   '@prisma/prisma-schema-wasm@5.14.0-25.e9771e62de70f79a5e1c604a2d7c8e2a0a874b48': {}
 
-  '@prisma/prisma-schema-wasm@6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60': {}
+  '@prisma/prisma-schema-wasm@6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a': {}
+
+  '@prisma/schema-engine-wasm@6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a': {}
 
   '@prisma/schema-files-loader@5.14.0':
     dependencies:
       '@prisma/prisma-schema-wasm': 5.14.0-17.56ca112d5a19c9925b53af75c3c6b7ada97f9f85
       fs-extra: 11.1.1
 
-  '@prisma/schema-files-loader@6.5.0':
+  '@prisma/schema-files-loader@6.6.0':
     dependencies:
-      '@prisma/prisma-schema-wasm': 6.5.0-73.173f8d54f8d52e692c7e27e72a88314ec7aeff60
+      '@prisma/prisma-schema-wasm': 6.6.0-53.f676762280b54cd07c770017ed3711ddde35f37a
       fs-extra: 11.3.0
 
   '@protobufjs/aspromise@1.1.2': {}
diff --git a/script/test-scaffold.ts b/script/test-scaffold.ts
index 97ef4c6e6..cd8a69123 100644
--- a/script/test-scaffold.ts
+++ b/script/test-scaffold.ts
@@ -19,6 +19,6 @@ function run(cmd: string) {
 }
 
 run('npm init -y');
-run('npm i --no-audit --no-fund typescript prisma@6.5.x @prisma/client@6.5.x zod@^3.22.4 decimal.js @types/node');
+run('npm i --no-audit --no-fund typescript prisma@6.6.x @prisma/client@6.6.x zod@^3.22.4 decimal.js @types/node');
 
 console.log('Test scaffold setup complete.');
diff --git a/tests/integration/test-run/package.json b/tests/integration/test-run/package.json
index b00a3cb6e..d2c56d7ad 100644
--- a/tests/integration/test-run/package.json
+++ b/tests/integration/test-run/package.json
@@ -10,9 +10,9 @@
     "author": "",
     "license": "ISC",
     "dependencies": {
-        "@prisma/client": "6.5.x",
+        "@prisma/client": "6.6.x",
         "@zenstackhq/runtime": "file:../../../packages/runtime/dist",
-        "prisma": "6.5.x",
+        "prisma": "6.6.x",
         "react": "^18.2.0",
         "swr": "^1.3.0",
         "typescript": "^4.9.3",
diff --git a/tests/integration/tests/cli/plugins.test.ts b/tests/integration/tests/cli/plugins.test.ts
index 22a0dffc4..d538dc9f0 100644
--- a/tests/integration/tests/cli/plugins.test.ts
+++ b/tests/integration/tests/cli/plugins.test.ts
@@ -75,7 +75,7 @@ describe('CLI Plugins Tests', () => {
             'swr',
             '@tanstack/react-query@5.56.x',
             '@trpc/server',
-            '@prisma/client@6.5.x',
+            '@prisma/client@6.6.x',
             `${path.join(__dirname, '../../../../.build/zenstackhq-language-' + ver + '.tgz')}`,
             `${path.join(__dirname, '../../../../.build/zenstackhq-sdk-' + ver + '.tgz')}`,
             `${path.join(__dirname, '../../../../.build/zenstackhq-runtime-' + ver + '.tgz')}`,
@@ -85,7 +85,7 @@ describe('CLI Plugins Tests', () => {
         const devDepPkgs = [
             'typescript',
             '@types/react',
-            'prisma@6.5.x',
+            'prisma@6.6.x',
             `${path.join(__dirname, '../../../../.build/zenstack-' + ver + '.tgz')}`,
             `${path.join(__dirname, '../../../../.build/zenstackhq-tanstack-query-' + ver + '.tgz')}`,
             `${path.join(__dirname, '../../../../.build/zenstackhq-swr-' + ver + '.tgz')}`,
diff --git a/tests/integration/tests/frameworks/nextjs/test-project/package.json b/tests/integration/tests/frameworks/nextjs/test-project/package.json
index 6f5b71d05..55e1c035c 100644
--- a/tests/integration/tests/frameworks/nextjs/test-project/package.json
+++ b/tests/integration/tests/frameworks/nextjs/test-project/package.json
@@ -9,7 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@prisma/client": "6.5.x",
+    "@prisma/client": "6.6.x",
     "@types/node": "18.11.18",
     "@types/react": "18.0.27",
     "@types/react-dom": "18.0.10",
@@ -26,6 +26,6 @@
     "@zenstackhq/swr": "../../../../../../../packages/plugins/swr/dist"
   },
   "devDependencies": {
-    "prisma": "6.5.x"
+    "prisma": "6.6.x"
   }
 }
diff --git a/tests/integration/tests/frameworks/trpc/test-project/package.json b/tests/integration/tests/frameworks/trpc/test-project/package.json
index 2ba147baa..fb76791bd 100644
--- a/tests/integration/tests/frameworks/trpc/test-project/package.json
+++ b/tests/integration/tests/frameworks/trpc/test-project/package.json
@@ -9,7 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@prisma/client": "6.5.x",
+    "@prisma/client": "6.6.x",
     "@tanstack/react-query": "^4.22.4",
     "@trpc/client": "^10.34.0",
     "@trpc/next": "^10.34.0",
@@ -31,6 +31,6 @@
     "@zenstackhq/trpc": "../../../../../../../packages/plugins/trpc/dist"
   },
   "devDependencies": {
-    "prisma": "6.5.x"
+    "prisma": "6.6.x"
   }
 }