diff --git a/.yarn/cache/class-transformer-npm-0.2.3-1cd4963d82-7a18fda30b.zip b/.yarn/cache/class-transformer-npm-0.2.3-1cd4963d82-7a18fda30b.zip
deleted file mode 100644
index 02f84343..00000000
Binary files a/.yarn/cache/class-transformer-npm-0.2.3-1cd4963d82-7a18fda30b.zip and /dev/null differ
diff --git a/.yarn/cache/class-transformer-npm-0.3.1-ced328a333-3a3f7a92cb.zip b/.yarn/cache/class-transformer-npm-0.3.1-ced328a333-3a3f7a92cb.zip
new file mode 100644
index 00000000..7b0bc6c3
Binary files /dev/null and b/.yarn/cache/class-transformer-npm-0.3.1-ced328a333-3a3f7a92cb.zip differ
diff --git a/.yarn/install-state.gz b/.yarn/install-state.gz
index 10191a91..bec0d948 100644
Binary files a/.yarn/install-state.gz and b/.yarn/install-state.gz differ
diff --git a/packages/backend/package.json b/packages/backend/package.json
index 62a0f1fb..cb032b1d 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -37,7 +37,7 @@
     "axios": "^1.3.3",
     "bcrypt": "^5.1.0",
     "chalk": "^2.4.2",
-    "class-transformer": "^0.2.3",
+    "class-transformer": "^0.3.1",
     "class-validator": "^0.14.0",
     "compression": "^1.7.4",
     "coveralls": "^3.0.8",
diff --git a/yarn.lock b/yarn.lock
index ce57bd24..993a7d74 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -957,7 +957,7 @@ __metadata:
     axios: ^1.3.3
     bcrypt: ^5.1.0
     chalk: ^2.4.2
-    class-transformer: ^0.2.3
+    class-transformer: ^0.3.1
     class-validator: ^0.14.0
     compression: ^1.7.4
     coveralls: ^3.0.8
@@ -4101,10 +4101,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"class-transformer@npm:^0.2.3":
-  version: 0.2.3
-  resolution: "class-transformer@npm:0.2.3"
-  checksum: 7a18fda30b037ebcc3ae805f17cc94b64c8be06bb0907399d143c9cff8e857545420e65fb752f42b90696a894547f6c7202c753086ecb309d73e7e293a94e83c
+"class-transformer@npm:^0.3.1":
+  version: 0.3.1
+  resolution: "class-transformer@npm:0.3.1"
+  checksum: 3a3f7a92cbfd6e7fb5904f9a350bbca8b1e04954dc1f75b39eba949775ecb8bcdf96223e2ca563ec67155e38bdf6d6616ad6b989f8b1ffe377cda3300f5b719a
   languageName: node
   linkType: hard