diff --git a/.babelrc b/.babelrc
index 005e78a35..fd234626a 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,4 +1,5 @@
 {
+    "plugins": ["transform-class-properties"],
     "presets": [
         "stage-0",
         "es2015",
diff --git a/package-lock.json b/package-lock.json
index 483b27375..8eef1f685 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -96,8 +96,7 @@
     "ansi-styles": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
     },
     "anymatch": {
       "version": "1.3.0",
@@ -358,7 +357,6 @@
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
       "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
-      "dev": true,
       "requires": {
         "chalk": "1.1.3",
         "esutils": "2.0.2",
@@ -504,7 +502,6 @@
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz",
       "integrity": "sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=",
-      "dev": true,
       "requires": {
         "babel-helper-get-function-arity": "6.24.1",
         "babel-runtime": "6.23.0",
@@ -517,7 +514,6 @@
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz",
       "integrity": "sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=",
-      "dev": true,
       "requires": {
         "babel-runtime": "6.23.0",
         "babel-types": "6.24.1"
@@ -595,7 +591,6 @@
       "version": "6.23.0",
       "resolved": "https://registry.npmjs.org/babel-messages/-/babel-messages-6.23.0.tgz",
       "integrity": "sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=",
-      "dev": true,
       "requires": {
         "babel-runtime": "6.23.0"
       }
@@ -630,8 +625,7 @@
     "babel-plugin-syntax-class-properties": {
       "version": "6.13.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-class-properties/-/babel-plugin-syntax-class-properties-6.13.0.tgz",
-      "integrity": "sha1-1+sjt5oxf4VDlixQW4J8fWysJ94=",
-      "dev": true
+      "integrity": "sha1-1+sjt5oxf4VDlixQW4J8fWysJ94="
     },
     "babel-plugin-syntax-decorators": {
       "version": "6.13.0",
@@ -739,7 +733,6 @@
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-class-properties/-/babel-plugin-transform-class-properties-6.24.1.tgz",
       "integrity": "sha1-anl2PqYdM9NvN7YRqp3vgagbRqw=",
-      "dev": true,
       "requires": {
         "babel-helper-function-name": "6.24.1",
         "babel-plugin-syntax-class-properties": "6.13.0",
@@ -1257,7 +1250,6 @@
       "version": "6.23.0",
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.23.0.tgz",
       "integrity": "sha1-CpSJ8UTecO+zzkMArM2zKeL8VDs=",
-      "dev": true,
       "requires": {
         "core-js": "2.4.1",
         "regenerator-runtime": "0.10.5"
@@ -1267,7 +1259,6 @@
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.24.1.tgz",
       "integrity": "sha1-BK5RTx+Ts6JTfyoPYKWkX7gwgzM=",
-      "dev": true,
       "requires": {
         "babel-runtime": "6.23.0",
         "babel-traverse": "6.24.1",
@@ -1280,7 +1271,6 @@
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-6.24.1.tgz",
       "integrity": "sha1-qzZnP9NW+aCUhlnnszjV/q2zFpU=",
-      "dev": true,
       "requires": {
         "babel-code-frame": "6.22.0",
         "babel-messages": "6.23.0",
@@ -1297,7 +1287,6 @@
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.24.1.tgz",
       "integrity": "sha1-oTaHncFbNga9oNkMH8dDBML/CXU=",
-      "dev": true,
       "requires": {
         "babel-runtime": "6.23.0",
         "esutils": "2.0.2",
@@ -1318,8 +1307,7 @@
     "babylon": {
       "version": "6.17.2",
       "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.17.2.tgz",
-      "integrity": "sha1-IB0l71+JLEG65JSIsI2w3Udun1w=",
-      "dev": true
+      "integrity": "sha1-IB0l71+JLEG65JSIsI2w3Udun1w="
     },
     "bail": {
       "version": "1.0.1",
@@ -1789,7 +1777,6 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-      "dev": true,
       "requires": {
         "ansi-styles": "2.2.1",
         "escape-string-regexp": "1.0.5",
@@ -2298,8 +2285,7 @@
     "core-js": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.4.1.tgz",
-      "integrity": "sha1-TekR5mew6ukSTjQlS1OupvxhjT4=",
-      "dev": true
+      "integrity": "sha1-TekR5mew6ukSTjQlS1OupvxhjT4="
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -3408,8 +3394,7 @@
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-      "dev": true
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
     "escodegen": {
       "version": "1.3.3",
@@ -3636,8 +3621,7 @@
     "esutils": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
-      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
-      "dev": true
+      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs="
     },
     "event-emitter": {
       "version": "0.3.5",
@@ -4333,8 +4317,7 @@
     "globals": {
       "version": "9.17.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-9.17.0.tgz",
-      "integrity": "sha1-DAymltm5u2lNLlRwvTd3fKrVAoY=",
-      "dev": true
+      "integrity": "sha1-DAymltm5u2lNLlRwvTd3fKrVAoY="
     },
     "globals-docs": {
       "version": "2.3.0",
@@ -4455,7 +4438,6 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
       "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
-      "dev": true,
       "requires": {
         "ansi-regex": "2.1.1"
       }
@@ -4766,7 +4748,6 @@
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.2.tgz",
       "integrity": "sha1-nh9WrArNtr8wMwbzOL47IErmA2A=",
-      "dev": true,
       "requires": {
         "loose-envify": "1.3.1"
       }
@@ -5179,8 +5160,7 @@
     "js-tokens": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.1.tgz",
-      "integrity": "sha1-COnxMkhKLEWjCQfp3E1VZ7fxFNc=",
-      "dev": true
+      "integrity": "sha1-COnxMkhKLEWjCQfp3E1VZ7fxFNc="
     },
     "js-yaml": {
       "version": "3.7.0",
@@ -5402,8 +5382,7 @@
     "lodash": {
       "version": "4.17.4",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=",
-      "dev": true
+      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
     },
     "lodash._reinterpolate": {
       "version": "3.0.0",
@@ -5503,7 +5482,6 @@
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
       "integrity": "sha1-0aitM/qc4OcT1l/dCsi3SNR4yEg=",
-      "dev": true,
       "requires": {
         "js-tokens": "3.0.1"
       }
@@ -7033,8 +7011,7 @@
     "regenerator-runtime": {
       "version": "0.10.5",
       "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
-      "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
-      "dev": true
+      "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg="
     },
     "regenerator-transform": {
       "version": "0.9.11",
@@ -8023,8 +8000,7 @@
     "supports-color": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-      "dev": true
+      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
     "svgo": {
       "version": "0.7.2",
@@ -8323,8 +8299,7 @@
     "to-fast-properties": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
-      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
-      "dev": true
+      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc="
     },
     "tough-cookie": {
       "version": "2.3.2",
diff --git a/package.json b/package.json
index 0b9dccab1..9451d8c8c 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "private": false,
   "description": "The Open Source Routing Machine is a high performance routing engine written in C++14 designed to run on OpenStreetMap data.",
   "dependencies": {
+    "babel-plugin-transform-class-properties": "^6.24.1",
     "nan": "^2.6.2",
     "node-cmake": "^2.3.2",
     "node-pre-gyp": "^0.6.36"