chore: bump dependencies

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - "node"
+  - "10"
 install:
   - npm install
 script:

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@lchemy/model",
   "description": "",
-  "version": "1.0.0-beta.6",
+  "version": "1.0.0-beta.7",
   "contributors": [
     "Jesse Zhang"
   ],
@@ -23,12 +23,12 @@
   "dependencies": {
     "bignumber.js": "^7.2.1",
     "deep-assign": "^2.0.0",
-    "immutable": "4.0.0-rc.9",
-    "js-joda": "^1.8.2"
+    "immutable": "^4.0.0-rc.9",
+    "js-joda": "^1.9.2"
   },
   "devDependencies": {
     "@types/deep-assign": "^0.1.1",
-    "@types/jest": "^23.3.1",
+    "@types/jest": "^23.3.8",
     "coveralls": "^3.0.2",
     "del": "^3.0.0",
     "fs-extra": "^7.0.0",
@@ -37,12 +37,12 @@
     "gulp-plumber": "^1.2.0",
     "gulp-tslint": "^8.1.3",
     "gulp-typescript": "^5.0.0-alpha.3",
-    "jest": "^23.4.2",
-    "jest-cli": "^23.4.2",
-    "merge2": "^1.2.2",
-    "ts-jest": "^23.1.2",
+    "jest": "^23.6.0",
+    "jest-cli": "^23.6.0",
+    "merge2": "^1.2.3",
+    "ts-jest": "^23.10.4",
     "tslint": "^5.11.0",
-    "typescript": "^3.0.1",
+    "typescript": "^3.1.4",
     "vinyl-map": "^1.0.2"
   }
 }