diff --git a/package-lock.json b/package-lock.json
index c835f25..648f478 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -225,6 +225,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -453,9 +454,9 @@
       "dev": true
     },
     "class-transformer": {
-      "version": "0.1.9",
-      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.1.9.tgz",
-      "integrity": "sha512-KV0IteiRl95OZ9UzbuPj8RhckuHA4JTC+Q+ZbKTYPsmvB0GgPRG7JBEXiVhBq/U050OVRku4N5t0rSMHw8vDWw==",
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.3.1.tgz",
+      "integrity": "sha512-cKFwohpJbuMovS8xVLmn8N2AUbAuc8pVo4zEfsUVo8qgECOogns1WVk/FkOZoxhOPTyTYFckuoH+13FO+MQ8GA==",
       "dev": true
     },
     "class-validator": {
@@ -1365,7 +1366,8 @@
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
       "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-builtin-module": {
       "version": "1.0.0",
@@ -1567,6 +1569,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "1.1.6"
       }
@@ -1618,7 +1621,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.4.0",
@@ -1650,6 +1654,7 @@
     },
     "mage": {
       "version": "github:mage/mage#bb6f9bc9fa576f191d85d17ea8bc421b02755755",
+      "from": "github:mage/mage#bb6f9bc9fa576f191d85d17ea8bc421b02755755",
       "dev": true,
       "requires": {
         "@types/commander": "2.9.1",
@@ -2108,6 +2113,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2",
             "longest": "1.0.1",
@@ -3050,7 +3056,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -4367,7 +4374,8 @@
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "resolve": {
       "version": "1.8.1",
diff --git a/package.json b/package.json
index b9284ad..0350971 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "@types/mocha": "5.2.5",
     "@types/node": "10.5.3",
     "@types/reflect-metadata": "0.1.0",
-    "class-transformer": "0.1.9",
+    "class-transformer": "0.3.1",
     "class-validator": "0.9.1",
     "git-message": "2.0.2",
     "git-signed": "0.1.3",