Update vulnerable dependencies.

package-lock.json

@@ -2297,17 +2297,17 @@
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-        "check-error": "^1.0.1",
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@@ -4025,9 +4025,9 @@
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+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
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@@ -4037,9 +4037,9 @@
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@@ -4434,9 +4434,9 @@
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+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.6.tgz",
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           "dev": true
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@@ -6355,9 +6355,9 @@
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-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.1.tgz",
-      "integrity": "sha512-3Zhi6C0euYZL5sM0Zcy7lInLXKQ+YLcF/olbN010mzGQ4XVm50JeyBnMqofHh696GrciGruC7kCcApPDJvVgwA==",
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+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
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@@ -7493,13 +7493,21 @@
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-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.6.1.tgz",
-      "integrity": "sha1-bl/mfYsgXOTSL60Ft3geja3MSzA=",
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       "dev": true,
       "requires": {
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-        "esprima": "^2.6.0"
+        "esprima": "^4.0.0"
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+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
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+          "dev": true
+        }
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     "jsbn": {
@@ -7737,7 +7745,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -8332,9 +8340,9 @@
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       "dev": true
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     "mout": {
@@ -9017,7 +9025,7 @@
       "dependencies": {
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
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@@ -11995,9 +12003,9 @@
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-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
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+          "version": "3.13.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
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           "dev": true,
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@@ -13036,17 +13044,17 @@
       "dev": true
     },
     "truffle-contract": {
-      "version": "4.0.11",
-      "resolved": "https://registry.npmjs.org/truffle-contract/-/truffle-contract-4.0.11.tgz",
-      "integrity": "sha512-lzKFdLngTSt7MQMOvsUhOEPUjagSbGVkhQm7rSant4Y/VSWIppL3GXqpTOzdcOJMHgL9iYlMEm42+pHXq6DZxg==",
+      "version": "4.0.14",
+      "resolved": "https://registry.npmjs.org/truffle-contract/-/truffle-contract-4.0.14.tgz",
+      "integrity": "sha512-gPSNNR/ozIkEVJO+rOu6wElNgy6NT6uH4+Bm6Kwerpnzo8eCTCTTSmBbJcaTKm+YAei7Dw7v427yU3gXPDkK/A==",
       "dev": true,
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         "ethers": "^4.0.0-beta.1",
         "truffle-blockchain-utils": "^0.0.8",
-        "truffle-contract-schema": "^3.0.6",
+        "truffle-contract-schema": "^3.0.9",
         "truffle-error": "^0.0.4",
-        "truffle-interface-adapter": "^0.1.2",
+        "truffle-interface-adapter": "^0.1.4",
         "web3": "1.0.0-beta.37",
         "web3-core-promievent": "1.0.0-beta.37",
         "web3-eth-abi": "1.0.0-beta.37",
@@ -13054,9 +13062,9 @@
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@@ -13088,9 +13096,9 @@
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+      "resolved": "https://registry.npmjs.org/truffle-interface-adapter/-/truffle-interface-adapter-0.1.4.tgz",
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       "dev": true,
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@@ -13170,20 +13178,20 @@
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+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.5.10.tgz",
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       "dev": true,
       "optional": true,
       "requires": {
-        "commander": "~2.19.0",
+        "commander": "~2.20.0",
         "source-map": "~0.6.1"
       },
       "dependencies": {
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-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.19.0.tgz",
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@@ -13660,9 +13668,9 @@
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+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.6.tgz",
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           "dev": true
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         "elliptic": {

package.json

@@ -42,7 +42,7 @@
   },
   "homepage": "https://github.com/OpenZeppelin/zeppelin-solidity",
   "devDependencies": {
-    "chai": "^4.1.2",
+    "chai": "^4.2.0",
     "coveralls": "^3.0.1",
     "eslint": "^4.19.1",
     "eslint-config-standard": "^10.2.1",