diff --git a/src/test/functional/optional/expected/post.ts b/src/test/functional/optional/expected/post.ts
index f04c6586..b98eefe8 100644
--- a/src/test/functional/optional/expected/post.ts
+++ b/src/test/functional/optional/expected/post.ts
@@ -16,5 +16,5 @@ export interface CompletePost extends z.infer<typeof PostModel> {
  * NOTE: Lazy required in case of potential circular dependencies within schema
  */
 export const RelatedPostModel: z.ZodSchema<CompletePost> = z.lazy(() => PostModel.extend({
-  author: RelatedUserModel.nullish(),
+  author: RelatedUserModel.nullable(),
 }))
diff --git a/src/test/functional/optional/expected/user.ts b/src/test/functional/optional/expected/user.ts
index abfad2a8..ef140166 100644
--- a/src/test/functional/optional/expected/user.ts
+++ b/src/test/functional/optional/expected/user.ts
@@ -22,5 +22,5 @@ export interface CompleteUser extends z.infer<typeof UserModel> {
  * NOTE: Lazy required in case of potential circular dependencies within schema
  */
 export const RelatedUserModel: z.ZodSchema<CompleteUser> = z.lazy(() => UserModel.extend({
-  posts: RelatedPostModel.nullish(),
+  posts: RelatedPostModel.nullable(),
 }))
diff --git a/src/test/functional/relation-1to1/expected/user.ts b/src/test/functional/relation-1to1/expected/user.ts
index 81d2bec5..c0c1c6df 100644
--- a/src/test/functional/relation-1to1/expected/user.ts
+++ b/src/test/functional/relation-1to1/expected/user.ts
@@ -15,5 +15,5 @@ export interface CompleteUser extends z.infer<typeof UserModel> {
  * NOTE: Lazy required in case of potential circular dependencies within schema
  */
 export const RelatedUserModel: z.ZodSchema<CompleteUser> = z.lazy(() => UserModel.extend({
-  keychain: RelatedKeychainModel.nullish(),
+  keychain: RelatedKeychainModel.nullable(),
 }))
diff --git a/src/test/types.test.ts b/src/test/types.test.ts
index 46dc908d..ef001699 100644
--- a/src/test/types.test.ts
+++ b/src/test/types.test.ts
@@ -20,7 +20,7 @@ describe('types Package', () => {
 
 		const constructor = getZodConstructor(field)
 
-		expect(constructor).toBe('z.string().array().max(64).min(1).nullish()')
+		expect(constructor).toBe('z.string().array().max(64).min(1).nullable()')
 	})
 
 	test('regression - unknown type', () => {
diff --git a/src/types.ts b/src/types.ts
index 0a108974..42f7936f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -51,7 +51,7 @@ export const getZodConstructor = (
 		zodType = computeCustomSchema(field.documentation) ?? zodType
 		extraModifiers.push(...computeModifiers(field.documentation))
 	}
-	if (!field.isRequired && field.type !== 'Json') extraModifiers.push('nullish()')
+	if (!field.isRequired && field.type !== 'Json') extraModifiers.push('nullable()')
 	// if (field.hasDefaultValue) extraModifiers.push('optional()')
 
 	return `${zodType}${extraModifiers.join('.')}`