diff --git a/packages/runtime/src/enhancements/node/policy/policy-utils.ts b/packages/runtime/src/enhancements/node/policy/policy-utils.ts
index 2ee389476..7c340b07b 100644
--- a/packages/runtime/src/enhancements/node/policy/policy-utils.ts
+++ b/packages/runtime/src/enhancements/node/policy/policy-utils.ts
@@ -939,7 +939,7 @@ export class PolicyUtil extends QueryUtils {
             }
         }
 
-        if (schema) {
+        if (schema && !this.options.validation?.inputOnlyValidationForUpdate) {
             // TODO: push down schema check to the database
             this.validateZodSchema(model, undefined, result, true, (err) => {
                 throw this.deniedByPolicy(
diff --git a/packages/runtime/src/types.ts b/packages/runtime/src/types.ts
index 5027fb5c6..fe584bb1b 100644
--- a/packages/runtime/src/types.ts
+++ b/packages/runtime/src/types.ts
@@ -140,6 +140,11 @@ export type EnhancementOptions = {
      * The encryption options for using the `encrypted` enhancement.
      */
     encryption?: SimpleEncryption | CustomEncryption;
+
+    /**
+     * Options for data validation.
+     */
+    validation?: ValidationOptions;
 };
 
 /**
@@ -209,3 +214,20 @@ export type CustomEncryption = {
      */
     decrypt: (model: string, field: FieldInfo, cipher: string) => Promise<string>;
 };
+
+/**
+ * Options for data validation.
+ */
+export type ValidationOptions = {
+    /**
+     * Whether to validate "update" operations based only on the input data. By default, ZenStack
+     * validates the entity after a update operation completes (inside a transaction), and rejects
+     * the operation if validation fails. This implies the entire entity needs to satisfy the
+     * validation rules, even for fields that are not part of the update input data.
+     *
+     * You can use this option to toggle the behavior to only validate the input data.
+     *
+     * Default is `false`.
+     */
+    inputOnlyValidationForUpdate?: boolean;
+};
diff --git a/tests/regression/tests/issue-2025.test.ts b/tests/regression/tests/issue-2025.test.ts
new file mode 100644
index 000000000..92a8b6388
--- /dev/null
+++ b/tests/regression/tests/issue-2025.test.ts
@@ -0,0 +1,42 @@
+import { loadSchema } from '@zenstackhq/testtools';
+
+describe('issue 2025', () => {
+    it('regression', async () => {
+        const { enhanceRaw, prisma } = await loadSchema(
+            `
+    model User {
+        id String @id @default(cuid())
+        email String @unique @email
+        termsAndConditions Int?
+        @@allow('all', true)
+    }
+            `
+        );
+
+        const user = await prisma.user.create({
+            data: {
+                email: 'xyz', // invalid email
+            },
+        });
+
+        const db = enhanceRaw(prisma, undefined, { validation: { inputOnlyValidationForUpdate: true } });
+        await expect(
+            db.user.update({
+                where: { id: user.id },
+                data: {
+                    termsAndConditions: 1,
+                },
+            })
+        ).toResolveTruthy();
+
+        const db1 = enhanceRaw(prisma);
+        await expect(
+            db1.user.update({
+                where: { id: user.id },
+                data: {
+                    termsAndConditions: 1,
+                },
+            })
+        ).toBeRejectedByPolicy();
+    });
+});