diff --git a/package.json b/package.json
index 30e2510..d8b50f3 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   "dependencies": {
     "aws-sdk": "^2.248.1",
     "cbor": "^4.1.0",
-    "class-transformer": "^0.1.9",
+    "class-transformer": "^0.3.1",
     "jquery": "^3.3.1",
     "libsodium-wrappers-sumo": "^0.7.3",
     "platform": "^1.3.5",
diff --git a/yarn.lock b/yarn.lock
index bd46fef..fe9d873 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1267,10 +1267,10 @@ clap@^1.0.9:
   dependencies:
     chalk "^1.1.3"
 
-class-transformer@^0.1.9:
-  version "0.1.10"
-  resolved "https://registry.yarnpkg.com/class-transformer/-/class-transformer-0.1.10.tgz#350f168ebb4c1f87edb18b98dd973681fc20fff7"
-  integrity sha512-QiNdUxEvTBiUtc0KiapGVHhgaqGQVEhOfL9UEBnb9xRfcwmDJT5ijIDwcwJUTwXaT/kGvZZB4JCGsiuR5adX6g==
+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"