diff --git a/package-lock.json b/package-lock.json
index f6c5cd90..20265cc4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3091,9 +3091,9 @@
       "dev": true
     },
     "class-transformer": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.4.0.tgz",
-      "integrity": "sha512-ETWD/H2TbWbKEi7m9N4Km5+cw1hNcqJSxlSYhsLsNjQzWWiZIYA1zafxpK9PwVfaZ6AqR5rrjPVUBGESm5tQUA==",
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.5.1.tgz",
+      "integrity": "sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw==",
       "dev": true
     },
     "class-validator": {
diff --git a/package.json b/package.json
index 01b1bad6..4e5bc195 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@types/node": "16.11.10",
     "@typescript-eslint/eslint-plugin": "5.4.0",
     "@typescript-eslint/parser": "5.4.0",
-    "class-transformer": "0.4.0",
+    "class-transformer": "0.5.1",
     "class-validator": "0.13.2",
     "eslint": "8.3.0",
     "eslint-config-prettier": "8.3.0",
@@ -43,7 +43,7 @@
   },
   "peerDependencies": {
     "@nestjs/common": "^7.0.8 || ^8.0.0",
-    "class-transformer": "^0.2.0 || ^0.3.0 || ^0.4.0",
+    "class-transformer": "^0.2.0 || ^0.3.0 || ^0.4.0 || ^0.5.0",
     "class-validator": "^0.11.1 || ^0.12.0 || ^0.13.0",
     "reflect-metadata": "^0.1.12"
   },
diff --git a/tests/intersection-type-multiple.helper.spec.ts b/tests/intersection-type-multiple.helper.spec.ts
index 1eac0462..b8239efd 100644
--- a/tests/intersection-type-multiple.helper.spec.ts
+++ b/tests/intersection-type-multiple.helper.spec.ts
@@ -1,4 +1,4 @@
-import { classToClass, Transform } from 'class-transformer';
+import { instanceToInstance, Transform } from 'class-transformer';
 import { IsString, MinLength, validate } from 'class-validator';
 import { IntersectionType } from '../lib';
 import { getValidationMetadataByTarget } from './type-helpers.test-utils';
@@ -92,7 +92,7 @@ describe('IntersectionType', () => {
       updateDto.lastName = lastName;
       updateDto.patronymic = patronymic;
 
-      const transformedDto = classToClass(updateDto);
+      const transformedDto = instanceToInstance(updateDto);
       expect(transformedDto.lastName).toEqual(lastName + '_transformed');
       expect(transformedDto.password).toEqual(password + '_transformed');
       expect(transformedDto.patronymic).toEqual(patronymic + '_transformed');
diff --git a/tests/intersection-type.helper.spec.ts b/tests/intersection-type.helper.spec.ts
index b0603943..a580afe9 100644
--- a/tests/intersection-type.helper.spec.ts
+++ b/tests/intersection-type.helper.spec.ts
@@ -1,4 +1,4 @@
-import { classToClass, Transform } from 'class-transformer';
+import { instanceToInstance, Transform } from 'class-transformer';
 import { IsString, MinLength, validate } from 'class-validator';
 import { IntersectionType } from '../lib';
 import { getValidationMetadataByTarget } from './type-helpers.test-utils';
@@ -75,7 +75,7 @@ describe('IntersectionType', () => {
       updateDto.password = password;
       updateDto.lastName = lastName;
 
-      const transformedDto = classToClass(updateDto);
+      const transformedDto = instanceToInstance(updateDto);
       expect(transformedDto.lastName).toEqual(lastName + '_transformed');
       expect(transformedDto.password).toEqual(password + '_transformed');
     });
diff --git a/tests/omit-type.helper.spec.ts b/tests/omit-type.helper.spec.ts
index 1e9ccdc2..2f31a726 100644
--- a/tests/omit-type.helper.spec.ts
+++ b/tests/omit-type.helper.spec.ts
@@ -1,4 +1,4 @@
-import { classToClass, Transform } from 'class-transformer';
+import { instanceToInstance, Transform } from 'class-transformer';
 import { MinLength, validate } from 'class-validator';
 import { OmitType } from '../lib';
 import { getValidationMetadataByTarget } from './type-helpers.test-utils';
@@ -52,7 +52,7 @@ describe('OmitType', () => {
       const updateDto = new UpdateUserDto();
       updateDto.password = password;
 
-      const transformedDto = classToClass(updateDto);
+      const transformedDto = instanceToInstance(updateDto);
       expect(transformedDto.password).toEqual(password + '_transformed');
     });
   });
diff --git a/tests/partial-type.helper.spec.ts b/tests/partial-type.helper.spec.ts
index 0a96e9f2..abd3462f 100644
--- a/tests/partial-type.helper.spec.ts
+++ b/tests/partial-type.helper.spec.ts
@@ -1,4 +1,4 @@
-import { classToClass, Expose, Transform, Type } from 'class-transformer';
+import { Expose, instanceToInstance, Transform, Type } from 'class-transformer';
 import { IsString, validate } from 'class-validator';
 import { PartialType } from '../lib';
 import { getValidationMetadataByTarget } from './type-helpers.test-utils';
@@ -67,7 +67,7 @@ describe('PartialType', () => {
       updateDto.password = password;
       updateDto.parentProperty = parentProperty;
 
-      const transformedDto = classToClass(updateDto);
+      const transformedDto = instanceToInstance(updateDto);
       expect(transformedDto.password).toEqual(password + '_transformed');
       expect(transformedDto.parentProperty).toEqual(
         parentProperty + '_transformed',
diff --git a/tests/pick-type.helper.spec.ts b/tests/pick-type.helper.spec.ts
index 9f36098d..99de6cc8 100644
--- a/tests/pick-type.helper.spec.ts
+++ b/tests/pick-type.helper.spec.ts
@@ -1,4 +1,4 @@
-import { classToClass, Transform } from 'class-transformer';
+import { instanceToInstance, Transform } from 'class-transformer';
 import { MinLength, validate } from 'class-validator';
 import { PickType } from '../lib';
 import { getValidationMetadataByTarget } from './type-helpers.test-utils';
@@ -52,7 +52,7 @@ describe('PickType', () => {
       const updateDto = new UpdateUserDto();
       updateDto.login = login;
 
-      const transformedDto = classToClass(updateDto);
+      const transformedDto = instanceToInstance(updateDto);
       expect(transformedDto.login).toEqual(login + '_transformed');
     });
   });