diff --git a/sample/000-dogs-app/package-lock.json b/sample/000-dogs-app/package-lock.json
index 9744d60f4..c563711c6 100644
--- a/sample/000-dogs-app/package-lock.json
+++ b/sample/000-dogs-app/package-lock.json
@@ -1080,9 +1080,9 @@
       "dev": true
     },
     "class-transformer": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.2.2.tgz",
-      "integrity": "sha512-wRKNNvdrSTOYut0ksO1/PTXFPTscbuGRB5R85FfdUuydGI+nXGPYeAByoifrfHFwadI2G4a7IQ5MXp9gnWNjFQ=="
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.2.3.tgz",
+      "integrity": "sha512-qsP+0xoavpOlJHuYsQJsN58HXSl8Jvveo+T37rEvCEeRfMWoytAyR0Ua/YsFgpM6AZYZ/og2PJwArwzJl1aXtQ=="
     },
     "class-utils": {
       "version": "0.3.6",
diff --git a/sample/000-dogs-app/package.json b/sample/000-dogs-app/package.json
index 93cb40dc3..fe37defd7 100644
--- a/sample/000-dogs-app/package.json
+++ b/sample/000-dogs-app/package.json
@@ -20,7 +20,7 @@
     "@nestjs/microservices": "6.2.4",
     "@nestjs/testing": "6.2.4",
     "@nestjs/websockets": "6.2.4",
-    "class-transformer": "0.2.2",
+    "class-transformer": "0.2.3",
     "class-validator": "0.9.1",
     "fastify": "2.3.0",
     "lodash": "4.17.11",
diff --git a/sample/002-microservice-app/package-lock.json b/sample/002-microservice-app/package-lock.json
index bf6af446f..029059fce 100644
--- a/sample/002-microservice-app/package-lock.json
+++ b/sample/002-microservice-app/package-lock.json
@@ -1036,9 +1036,9 @@
       "dev": true
     },
     "class-transformer": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.2.2.tgz",
-      "integrity": "sha512-wRKNNvdrSTOYut0ksO1/PTXFPTscbuGRB5R85FfdUuydGI+nXGPYeAByoifrfHFwadI2G4a7IQ5MXp9gnWNjFQ=="
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.2.3.tgz",
+      "integrity": "sha512-qsP+0xoavpOlJHuYsQJsN58HXSl8Jvveo+T37rEvCEeRfMWoytAyR0Ua/YsFgpM6AZYZ/og2PJwArwzJl1aXtQ=="
     },
     "class-utils": {
       "version": "0.3.6",
diff --git a/sample/002-microservice-app/package.json b/sample/002-microservice-app/package.json
index 2aa0b5d5f..9eb8d57fb 100644
--- a/sample/002-microservice-app/package.json
+++ b/sample/002-microservice-app/package.json
@@ -20,7 +20,7 @@
     "@nestjs/microservices": "6.2.4",
     "@nestjs/testing": "6.2.4",
     "@nestjs/websockets": "6.2.4",
-    "class-transformer": "0.2.2",
+    "class-transformer": "0.2.3",
     "class-validator": "0.9.1",
     "fastify": "2.3.0",
     "lodash": "4.17.11",
diff --git a/sample/003-memory-app/package-lock.json b/sample/003-memory-app/package-lock.json
index 9744d60f4..c563711c6 100644
--- a/sample/003-memory-app/package-lock.json
+++ b/sample/003-memory-app/package-lock.json
@@ -1080,9 +1080,9 @@
       "dev": true
     },
     "class-transformer": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.2.2.tgz",
-      "integrity": "sha512-wRKNNvdrSTOYut0ksO1/PTXFPTscbuGRB5R85FfdUuydGI+nXGPYeAByoifrfHFwadI2G4a7IQ5MXp9gnWNjFQ=="
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.2.3.tgz",
+      "integrity": "sha512-qsP+0xoavpOlJHuYsQJsN58HXSl8Jvveo+T37rEvCEeRfMWoytAyR0Ua/YsFgpM6AZYZ/og2PJwArwzJl1aXtQ=="
     },
     "class-utils": {
       "version": "0.3.6",
diff --git a/sample/003-memory-app/package.json b/sample/003-memory-app/package.json
index 5ff4293cc..aa12401d0 100644
--- a/sample/003-memory-app/package.json
+++ b/sample/003-memory-app/package.json
@@ -20,7 +20,7 @@
     "@nestjs/microservices": "6.2.4",
     "@nestjs/testing": "6.2.4",
     "@nestjs/websockets": "6.2.4",
-    "class-transformer": "0.2.2",
+    "class-transformer": "0.2.3",
     "class-validator": "0.9.1",
     "fastify": "2.3.0",
     "lodash": "4.17.11",