diff --git a/package.json b/package.json
index 104a935..d092ef2 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@nestjs/common": "^6.7.2",
     "@nestjs/core": "^6.7.2",
     "@nestjs/platform-express": "^6.7.2",
-    "class-transformer": "^0.2.3",
+    "class-transformer": "^0.3.1",
     "class-validator": "^0.12.2",
     "lowdb": "^1.0.0",
     "reflect-metadata": "^0.1.13",
diff --git a/yarn.lock b/yarn.lock
index 18659f6..76cb3c2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1546,10 +1546,10 @@ 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@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.3.1.tgz#ee681a5439ff2230fc57f5056412d3befa70d597"
+  integrity sha512-cKFwohpJbuMovS8xVLmn8N2AUbAuc8pVo4zEfsUVo8qgECOogns1WVk/FkOZoxhOPTyTYFckuoH+13FO+MQ8GA==
 
 class-utils@^0.3.5:
   version "0.3.6"