diff --git a/config/tsconfig.json b/config/tsconfig.json
index 7a29316..4a28d40 100755
--- a/config/tsconfig.json
+++ b/config/tsconfig.json
@@ -2,7 +2,7 @@
   "compileOnSave": false,
   "compilerOptions": {
     "allowJs": true,
-    "allowSyntheticDefaultImports": false,
+    "allowSyntheticDefaultImports": true,
     "baseUrl": "../",
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
diff --git a/package.json b/package.json
index b3ba2bf..864b290 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
     "@types/lodash": "4.14.138",
     "@types/mocha": "5.2.7",
     "@types/sinon": "7.0.13",
+    "@types/source-map-support": "^0.5.0",
     "@types/yargs": "13.0.2",
     "ajv": "6.10.2",
     "bunyan": "1.8.12",
@@ -57,6 +58,7 @@
     "rollup-plugin-replace": "2.2.0",
     "rollup-plugin-typescript2": "0.24.0",
     "sinon": "7.4.1",
+    "source-map-support": "^0.5.13",
     "standard-version": "7.0.0",
     "tslint": "5.19.0",
     "typescript": "3.6.2",
diff --git a/yarn.lock b/yarn.lock
index 48d3048..bbae2a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -122,6 +122,13 @@
   resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-7.0.13.tgz#ca039c23a9e27ebea53e0901ef928ea2a1a6d313"
   integrity sha512-d7c/C/+H/knZ3L8/cxhicHUiTDxdgap0b/aNJfsmLwFu/iOP17mdgbQsbHA3SJmrzsjD0l3UEE5SN4xxuz5ung==
 
+"@types/source-map-support@^0.5.0":
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/@types/source-map-support/-/source-map-support-0.5.0.tgz#40f47e68bc0bdf54d19dddad4550f521cdb9968c"
+  integrity sha512-OrnAz5K5dXDgMdeRRoXIjDAvkodQ9ESvVJCyzrhzUJKmCkXgmYx/KLUBcVFe5eS4FiohfcY7YPxsdkmSwJz9wA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/yargs-parser@*":
   version "13.0.0"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-13.0.0.tgz#453743c5bbf9f1bed61d959baab5b06be029b2d0"
@@ -2134,7 +2141,15 @@ sinon@7.4.1:
     nise "^1.5.1"
     supports-color "^5.5.0"
 
-source-map@^0.6.1, source-map@~0.6.1:
+source-map-support@^0.5.13:
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.13.tgz#31b24a9c2e73c2de85066c0feb7d44767ed52932"
+  integrity sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
+source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==