diff --git a/backend/package.json b/backend/package.json
index b014fa7..fdd535f 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,7 +24,7 @@
     "@nestjs/core": "^7.0.0",
     "@nestjs/platform-express": "^7.0.0",
     "@nestjs/typeorm": "^7.1.0",
-    "class-transformer": "^0.2.3",
+    "class-transformer": "^0.4.0",
     "class-validator": "^0.12.2",
     "dotenv": "^8.2.0",
     "pg": "^8.2.1",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 5bf6553..83d675a 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -1820,10 +1820,10 @@ cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-class-transformer@^0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.2.3.tgz#598c92ca71dcca73f91ccb875d74a3847ccfa32d"
-  integrity sha512-qsP+0xoavpOlJHuYsQJsN58HXSl8Jvveo+T37rEvCEeRfMWoytAyR0Ua/YsFgpM6AZYZ/og2PJwArwzJl1aXtQ==
+class-transformer@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.4.0.tgz#b52144117b423c516afb44cc1c76dbad31c2165b"
+  integrity sha512-ETWD/H2TbWbKEi7m9N4Km5+cw1hNcqJSxlSYhsLsNjQzWWiZIYA1zafxpK9PwVfaZ6AqR5rrjPVUBGESm5tQUA==
 
 class-utils@^0.3.5:
   version "0.3.6"