diff --git a/package-lock.json b/package-lock.json
index d35924e33..fafb40d16 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
-  "name": "zeppelin-solidity",
-  "version": "1.8.0",
+  "name": "openzeppelin-zos",
+  "version": "1.9.0-beta",
   "lockfileVersion": 1,
   "requires": true,
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@@ -52,7 +52,6 @@
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@@ -92,14 +91,12 @@
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-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "dev": true
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
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-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
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@@ -111,7 +108,6 @@
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-      "dev": true,
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@@ -120,14 +116,12 @@
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-      "dev": true
+      "integrity": "sha512-ZpYajIfO0j2cOFTO955KUMIKNmj6zhX8kVztMAxFsDaMwz+9Z9SV0uou2pC9HJqcfpffOsjnbrDMvkNy+9RXPw=="
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@@ -146,7 +140,6 @@
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@@ -154,8 +147,7 @@
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-      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
-      "dev": true
+      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg=="
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@@ -181,8 +173,7 @@
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-      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
-      "dev": true
+      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM="
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@@ -223,8 +214,7 @@
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-      "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
-      "dev": true
+      "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0="
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@@ -264,11 +254,186 @@
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       "dev": true
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+    "babel-cli": {
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+      "resolved": "https://registry.npmjs.org/babel-cli/-/babel-cli-6.26.0.tgz",
+      "integrity": "sha1-UCq1SHTX24itALiHoGODzgPQAvE=",
+      "requires": {
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+        "babel-polyfill": "6.26.0",
+        "babel-register": "6.26.0",
+        "babel-runtime": "6.26.0",
+        "chokidar": "1.7.0",
+        "commander": "2.11.0",
+        "convert-source-map": "1.5.0",
+        "fs-readdir-recursive": "1.1.0",
+        "glob": "7.1.2",
+        "lodash": "4.17.4",
+        "output-file-sync": "1.1.2",
+        "path-is-absolute": "1.0.1",
+        "slash": "1.0.0",
+        "source-map": "0.5.6",
+        "v8flags": "2.1.1"
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+          "requires": {
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+            "esutils": "2.0.2",
+            "js-tokens": "3.0.2"
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+          "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.26.0.tgz",
+          "integrity": "sha1-rzL3izGm/O8RnIew/Y2XU/A6C7g=",
+          "requires": {
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+            "babel-generator": "6.26.1",
+            "babel-helpers": "6.24.1",
+            "babel-messages": "6.23.0",
+            "babel-register": "6.26.0",
+            "babel-runtime": "6.26.0",
+            "babel-template": "6.26.0",
+            "babel-traverse": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "convert-source-map": "1.5.0",
+            "debug": "2.6.8",
+            "json5": "0.5.1",
+            "lodash": "4.17.4",
+            "minimatch": "3.0.4",
+            "path-is-absolute": "1.0.1",
+            "private": "0.1.7",
+            "slash": "1.0.0",
+            "source-map": "0.5.6"
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+          "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.1.tgz",
+          "integrity": "sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==",
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+            "babel-runtime": "6.26.0",
+            "babel-types": "6.26.0",
+            "detect-indent": "4.0.0",
+            "jsesc": "1.3.0",
+            "lodash": "4.17.4",
+            "source-map": "0.5.7",
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@@ -3159,7 +3280,6 @@
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@@ -3167,7 +3287,6 @@
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@@ -3175,53 +3294,44 @@
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@@ -3229,7 +3339,6 @@
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@@ -3238,7 +3347,6 @@
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@@ -3246,7 +3354,6 @@
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@@ -3255,30 +3362,25 @@
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@@ -3287,24 +3389,20 @@
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@@ -3314,13 +3412,11 @@
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@@ -3331,7 +3427,6 @@
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@@ -3342,7 +3437,6 @@
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@@ -3358,7 +3452,6 @@
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@@ -3367,7 +3460,6 @@
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@@ -3375,7 +3467,6 @@
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@@ -3387,19 +3478,16 @@
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@@ -3409,13 +3497,11 @@
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@@ -3425,13 +3511,11 @@
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@@ -3442,7 +3526,6 @@
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@@ -3450,19 +3533,16 @@
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@@ -3496,19 +3572,16 @@
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@@ -3541,20 +3611,17 @@
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@@ -3583,13 +3647,11 @@
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@@ -3608,7 +3670,6 @@
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@@ -3618,7 +3679,6 @@
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@@ -3629,25 +3689,21 @@
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@@ -3676,36 +3729,30 @@
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@@ -3717,7 +3764,6 @@
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@@ -3725,7 +3771,6 @@
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@@ -3739,7 +3784,6 @@
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@@ -3769,38 +3813,32 @@
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@@ -3808,7 +3846,6 @@
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@@ -3825,7 +3862,6 @@
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@@ -3833,7 +3869,6 @@
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@@ -3843,7 +3878,6 @@
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@@ -3851,13 +3885,11 @@
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@@ -3865,13 +3897,11 @@
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@@ -3881,7 +3911,6 @@
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@@ -3897,7 +3926,6 @@
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@@ -3906,7 +3934,6 @@
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@@ -3915,30 +3942,25 @@
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@@ -3947,7 +3969,6 @@
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@@ -3955,8 +3976,7 @@
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@@ -4033,8 +4052,7 @@
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-      "dev": true
+      "integrity": "sha1-9wLmMSfn4jHBYKgMFVSstw1QR+U="
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@@ -4132,8 +4150,7 @@
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-      "dev": true
+      "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4="
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@@ -4148,7 +4165,6 @@
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@@ -4189,7 +4205,6 @@
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@@ -4199,7 +4214,6 @@
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@@ -4241,8 +4255,7 @@
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-      "dev": true
+      "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ=="
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@@ -4294,14 +4307,12 @@
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-      "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
-      "dev": true
+      "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg="
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       "dev": true
     },
+    "user-home": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/user-home/-/user-home-1.1.1.tgz",
+      "integrity": "sha1-K1viOjK2Onyd640PKNSFcko98ZA="
+    },
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-      "integrity": "sha1-H6DZJw6b6FDZsFAn9jUZv0ZFfZY=",
-      "dev": true
+      "integrity": "sha1-H6DZJw6b6FDZsFAn9jUZv0ZFfZY="
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-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
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@@ -8632,11 +8635,18 @@
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       "dev": true
     },
+    "v8flags": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
+      "integrity": "sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=",
+      "requires": {
+        "user-home": "1.1.1"
+      }
+    },
     "validate-npm-package-license": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
       "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
-      "dev": true,
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@@ -9039,14 +9049,12 @@
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-      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
-      "dev": true
+      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8="
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-      "dev": true,
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@@ -9054,8 +9062,7 @@
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-      "integrity": "sha1-tDFbtCFKPXBY6+7okuE/ok2YsHU=",
-      "dev": true
+      "integrity": "sha1-tDFbtCFKPXBY6+7okuE/ok2YsHU="
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@@ -9067,7 +9074,6 @@
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-      "dev": true,
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@@ -9076,8 +9082,7 @@
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-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "write": {
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@@ -9114,26 +9119,22 @@
     "xhr2": {
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       "resolved": "https://registry.npmjs.org/xhr2/-/xhr2-0.1.4.tgz",
-      "integrity": "sha1-f4dliEdxbbUCYyOBL4GMras4el8=",
-      "dev": true
+      "integrity": "sha1-f4dliEdxbbUCYyOBL4GMras4el8="
     },
     "xmlhttprequest": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=",
-      "dev": true
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
     },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
-      "dev": true
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
     "y18n": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
-      "dev": true
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
     },
     "yallist": {
       "version": "2.1.2",
@@ -9145,7 +9146,6 @@
       "version": "4.8.1",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
       "integrity": "sha1-wMQpJMpKqmsObaFznfshZDn53cA=",
-      "dev": true,
       "requires": {
         "cliui": "3.2.0",
         "decamelize": "1.2.0",
@@ -9167,7 +9167,6 @@
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
       "integrity": "sha1-hVaN488VD/SfpRgl8DqMiA3cxcQ=",
-      "dev": true,
       "requires": {
         "camelcase": "3.0.0",
         "lodash.assign": "4.2.0"
@@ -9455,8 +9454,188 @@
         "ethjs-abi": "0.2.1"
       }
     },
+    "zos": {
+      "version": "0.3.7",
+      "resolved": "https://registry.npmjs.org/zos/-/zos-0.3.7.tgz",
+      "integrity": "sha512-V17wDh5fsOZ33+qkeE/x7K+/hYnCvzZW57RhrrbeVilmUwXgK26NF+E1hAzcqSzLN57ecsSH+aASjtzOZQsZxg==",
+      "requires": {
+        "babel-cli": "6.26.0",
+        "babel-polyfill": "6.26.0",
+        "colors": "1.2.1",
+        "commander": "2.15.1",
+        "ethereumjs-abi": "0.6.5",
+        "lodash": "4.17.5",
+        "npm-programmatic": "0.0.10",
+        "shelljs": "0.8.1",
+        "truffle": "4.1.7",
+        "truffle-contract": "3.0.5",
+        "truffle-provisioner": "0.1.0",
+        "truffle-resolver": "4.0.3",
+        "zos-kernel": "0.1.1",
+        "zos-lib": "0.0.3"
+      },
+      "dependencies": {
+        "babel-polyfill": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.26.0.tgz",
+          "integrity": "sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=",
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "core-js": "2.5.0",
+            "regenerator-runtime": "0.10.5"
+          }
+        },
+        "babel-runtime": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
+          "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+          "requires": {
+            "core-js": "2.5.0",
+            "regenerator-runtime": "0.11.1"
+          },
+          "dependencies": {
+            "regenerator-runtime": {
+              "version": "0.11.1",
+              "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+              "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
+            }
+          }
+        },
+        "colors": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/colors/-/colors-1.2.1.tgz",
+          "integrity": "sha512-s8+wktIuDSLffCywiwSxQOMqtPxML11a/dtHE17tMn4B1MSWw/C22EKf7M2KGUBcDaVFEGT+S8N02geDXeuNKg=="
+        },
+        "commander": {
+          "version": "2.15.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag=="
+        },
+        "diff": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-3.2.0.tgz",
+          "integrity": "sha1-yc45Okt8vQsFinJck98pkCeGj/k="
+        },
+        "lodash": {
+          "version": "4.17.5",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
+          "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+        },
+        "mocha": {
+          "version": "3.5.3",
+          "resolved": "https://registry.npmjs.org/mocha/-/mocha-3.5.3.tgz",
+          "integrity": "sha512-/6na001MJWEtYxHOV1WLfsmR4YIynkUEhBwzsb+fk2qmQ3iqsi258l/Q2MWHJMImAcNpZ8DEdYAK72NHoIQ9Eg==",
+          "requires": {
+            "browser-stdout": "1.3.0",
+            "commander": "2.9.0",
+            "debug": "2.6.8",
+            "diff": "3.2.0",
+            "escape-string-regexp": "1.0.5",
+            "glob": "7.1.1",
+            "growl": "1.9.2",
+            "he": "1.1.1",
+            "json3": "3.3.2",
+            "lodash.create": "3.1.1",
+            "mkdirp": "0.5.1",
+            "supports-color": "3.1.2"
+          },
+          "dependencies": {
+            "commander": {
+              "version": "2.9.0",
+              "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+              "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
+              "requires": {
+                "graceful-readlink": "1.0.1"
+              }
+            },
+            "glob": {
+              "version": "7.1.1",
+              "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.1.tgz",
+              "integrity": "sha1-gFIR3wT6rxxjo2ADBs31reULLsg=",
+              "requires": {
+                "fs.realpath": "1.0.0",
+                "inflight": "1.0.6",
+                "inherits": "2.0.3",
+                "minimatch": "3.0.4",
+                "once": "1.4.0",
+                "path-is-absolute": "1.0.1"
+              }
+            }
+          }
+        },
+        "shelljs": {
+          "version": "0.8.1",
+          "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.1.tgz",
+          "integrity": "sha512-YA/iYtZpzFe5HyWVGrb02FjPxc4EMCfpoU/Phg9fQoyMC72u9598OUBrsU8IrtwAKG0tO8IYaqbaLIw+k3IRGA==",
+          "requires": {
+            "glob": "7.1.2",
+            "interpret": "1.0.3",
+            "rechoir": "0.6.2"
+          }
+        },
+        "solc": {
+          "version": "0.4.23",
+          "resolved": "https://registry.npmjs.org/solc/-/solc-0.4.23.tgz",
+          "integrity": "sha512-AT7anLHY6uIRg2It6N0UlCHeZ7YeecIkUhnlirrCgCPCUevtnoN48BxvgigN/4jJTRljv5oFhAJtI6gvHzT5DQ==",
+          "requires": {
+            "fs-extra": "0.30.0",
+            "memorystream": "0.3.1",
+            "require-from-string": "1.2.1",
+            "semver": "5.4.1",
+            "yargs": "4.8.1"
+          }
+        },
+        "supports-color": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.1.2.tgz",
+          "integrity": "sha1-cqJiiU2dQIuVbKBf83su2KbiotU=",
+          "requires": {
+            "has-flag": "1.0.0"
+          }
+        },
+        "truffle": {
+          "version": "4.1.7",
+          "resolved": "https://registry.npmjs.org/truffle/-/truffle-4.1.7.tgz",
+          "integrity": "sha512-fe6BIcD9xo6iIJvV1m6ZhOk56kmB8k38kdoWOKYnPPw7ZUUSupgojeTb2K5e+4qIpIHvEvmET4yLUjSGR+hvwA==",
+          "requires": {
+            "mocha": "3.5.3",
+            "original-require": "1.0.1",
+            "solc": "0.4.23"
+          }
+        },
+        "zos-lib": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/zos-lib/-/zos-lib-0.0.3.tgz",
+          "integrity": "sha512-OHMCw0JW1dvnKx4CNJqhaBbrBeldDJBNV74Z22irIi2Yh4kPBMc7ZVt7VSdEHD1wUL5Ez7RXPUwk9drL9QvKjQ==",
+          "requires": {
+            "zeppelin-solidity": "1.8.0"
+          }
+        }
+      }
+    },
+    "zos-kernel": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/zos-kernel/-/zos-kernel-0.1.1.tgz",
+      "integrity": "sha512-xXoVLe08CWc9mofY4ckVBpFB5jr15/kgm2sz8VG+fFvFl4H0inC1AufGEdSwYWC4Hu9EOfc592LAg3tYjke+sQ==",
+      "requires": {
+        "zeppelin-solidity": "1.8.0",
+        "zos-lib": "0.0.2"
+      },
+      "dependencies": {
+        "zos-lib": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/zos-lib/-/zos-lib-0.0.2.tgz",
+          "integrity": "sha512-wVPK3+lwguz4Bm4rWRcvQMPMa933BbtNMGqgoVNWIi6r2ZLZVYC93y1bxk19pWzBEdpcZyWDZ4yZwij2AsC9tw==",
+          "requires": {
+            "zeppelin-solidity": "1.8.0"
+          }
+        }
+      }
+    },
     "zos-lib": {
-      "version": "git://github.com/zeppelinos/zos-lib.git#a4fc8fedbf0c4414717c9aafa24494775423db86",
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/zos-lib/-/zos-lib-0.0.5.tgz",
+      "integrity": "sha512-UVINaUZ9WuGGlljKaTXaxzaLGW9F/5AViSsOYy/oagFyQIY6Ch9WQ1fnUx3L8O4p1XGne9rG2JXY4B9f6YPHsA==",
       "requires": {
         "zeppelin-solidity": "1.8.0"
       }
diff --git a/package.json b/package.json
index 0e5be3b9b..c3334b887 100644
--- a/package.json
+++ b/package.json
@@ -63,6 +63,7 @@
   },
   "dependencies": {
     "dotenv": "^4.0.0",
-    "zos-lib": "git://github.com/zeppelinos/zos-lib.git"
+    "zos": "^0.3.7",
+    "zos-lib": "0.0.5"
   }
 }
diff --git a/package.zos.json b/package.zos.json
new file mode 100644
index 000000000..c190c4e42
--- /dev/null
+++ b/package.zos.json
@@ -0,0 +1,10 @@
+{
+  "contracts": {
+    "DetailedMintableToken": "DetailedMintableToken",
+    "DetailedPremintedToken": "DetailedPremintedToken",
+    "MintableERC721Token": "MintableERC721Token",
+    "TokenTimelock": "TokenTimelock",
+    "TokenVesting": "TokenVesting"
+  },
+  "name": "openzeppelin-zos"
+}
diff --git a/truffle-config.js b/truffle-config.js
index a5ca2558e..65e4bdd08 100644
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -24,8 +24,11 @@ module.exports = {
       network_id: '*', // eslint-disable-line camelcase
     },
     ropsten: {
-      provider: ropstenProvider,
-      network_id: 3, // eslint-disable-line camelcase
+      host: 'localhost',
+      network_id: '3',
+      port: 8555,
+      gas: 4700000,
+      gasPrice: 10e9,
     },
     coverage: {
       host: 'localhost',