diff --git a/package-lock.json b/package-lock.json
index 2cbfec11..def21b67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13749,8 +13749,7 @@
     "tslib": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
-      "dev": true
+      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
     },
     "tslint": {
       "version": "5.11.0",
diff --git a/package.json b/package.json
index d3f01aff..70669c70 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,8 @@
     "spark-md5": "^3.0.0",
     "superagent": "^3.8.3",
     "tcomb-validation": "^3.4.1",
-    "ajv": "^6.5.5"
+    "ajv": "^6.5.5",
+    "tslib": "^1.9.3"
   },
   "devDependencies": {
     "@types/mime": "^2.0.0",
@@ -107,7 +108,6 @@
     "standard-version": "^4.4.0",
     "toxy": "^0.3.15",
     "trash-cli": "^1.4.0",
-    "tslib": "^1.9.3",
     "tslint": "^5.11.0",
     "tslint-config-semistandard": "^7.0.0",
     "typedoc": "^0.11.1",