diff --git a/package.json b/package.json
index f9f66d9..1d51dea 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@nestjs/testing": "^6.10.11",
     "@nestjs/typeorm": "^6.1.3",
     "body-parser": "1.18.3",
-    "class-transformer": "0.1.9",
+    "class-transformer": "0.3.1",
     "class-validator": "0.8.5",
     "cors": "2.8.3",
     "cron": "^1.7.2",
diff --git a/yarn.lock b/yarn.lock
index acac530..3cf1d27 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1440,10 +1440,10 @@ circular-json@^0.3.1:
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
   integrity sha512-UZK3NBx2Mca+b5LsG7bY183pHWt5Y1xts4P3Pz7ENTwGVnJOUWbRb3ocjvX7hx9tq/yTAdclXm9sZ38gNuem4A==
 
-class-transformer@0.1.9:
-  version "0.1.9"
-  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.1.9.tgz#29977c528233ca014e6fd9523327ebd31d11ca54"
-  integrity sha512-KV0IteiRl95OZ9UzbuPj8RhckuHA4JTC+Q+ZbKTYPsmvB0GgPRG7JBEXiVhBq/U050OVRku4N5t0rSMHw8vDWw==
+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"