diff --git a/VERSIONS.md b/VERSIONS.md
index 8865dfb..1744acb 100644
--- a/VERSIONS.md
+++ b/VERSIONS.md
@@ -8,6 +8,11 @@
 ### Deprecations
 
 
+## Version 2.5.0
+### Features
+- update versions of dependencies
+
+
 ## Version 2.4.3
 ### Fixes
 - reduce data returned from contract compilation to restore pre-update behavior
diff --git a/contracts/OwnedRegistrar.sol b/contracts/OwnedRegistrar.sol
index 78b2bd6..630aca6 100755
--- a/contracts/OwnedRegistrar.sol
+++ b/contracts/OwnedRegistrar.sol
@@ -18,14 +18,14 @@
 
 pragma solidity ^0.4.24;
 
-import './ENS.sol';
+import './AbstractENS.sol';
 import './Core.sol';
 
 /**
  * A registrar that allocates subdomains to the first person to claim them.
  */
 contract OwnedRegistrar is Owned {
-    ENS ens;
+    AbstractENS ens;
     bytes32 rootNode;
 
     /**
@@ -33,7 +33,7 @@ contract OwnedRegistrar is Owned {
      * @param ensAddr The address of the ENS registry.
      * @param node The node that this registrar administers.
      */
-    constructor(ENS ensAddr, bytes32 node) public {
+    constructor(AbstractENS ensAddr, bytes32 node) public {
         ens = ensAddr;
         rootNode = node;
     }
diff --git a/lib/solc.js b/lib/solc.js
index c23e796..e2a7af3 100755
--- a/lib/solc.js
+++ b/lib/solc.js
@@ -54,7 +54,7 @@ const libraryDependencies = {
 // setting a value to a falsy value will depeloy it and its dependants
 const librariesAddresses = {
   core: {
-    'ENS.sol:ENS':
+    'AbstractENS.sol:AbstractENS':
       '0xc913ac6522344187bc9C88C9f9302b005500FfF9',
     'verifications/KeyHolderLibrary.sol:KeyHolderLibrary':
       '0x9712325360aE316c333ACc0714170E49594d9592',
@@ -72,7 +72,7 @@ const librariesAddresses = {
       '0x21c89be4C8990413B1C225aAc91BFb7a74f33cC4',
   },
   testcore: {
-    'ENS.sol:ENS':
+    'AbstractENS.sol:AbstractENS':
       '0xd9b054d2FFA8Cf301885Af53db86971881E2EA54',
     'verifications/KeyHolderLibrary.sol:KeyHolderLibrary':
       '0xcd4F22D95C62aad0B12e5493c3264629800B6740',
@@ -90,7 +90,7 @@ const librariesAddresses = {
       '0x21c89be4C8990413B1C225aAc91BFb7a74f33cC4',
   },
   local: {
-    'ENS.sol:ENS':
+    'AbstractENS.sol:AbstractENS':
       '0x9f8063ac44D23C99E943eA3DE3E1bb6Ab7678df0',
     'verifications/KeyHolderLibrary.sol:KeyHolderLibrary':
       '',
@@ -167,10 +167,10 @@ class Solc {
 
     const chain = this._getEnvironment();
     if (chain !== 'testnet') {
-      const ensRegex = new RegExp(librariesAddresses.testcore['ENS.sol:ENS'], 'i');
+      const ensRegex = new RegExp(librariesAddresses.testcore['AbstractENS.sol:AbstractENS'], 'i');
       for (let f in solFiles) {
         solFiles[f] =
-          (await solFiles[f]).replace(ensRegex, librariesAddresses[chain]['ENS.sol:ENS']);
+          (await solFiles[f]).replace(ensRegex, librariesAddresses[chain]['AbstractENS.sol:AbstractENS']);
       }
     }
 
@@ -210,7 +210,7 @@ class Solc {
     const errors = output.errors ? output.errors.filter(error => error.severity === 'error') : null;
 
     if (errors && errors.length) {
-      this.log('Contract compile error: \n' + errors, 'error')
+      this.log('Contract compile error: \n' + JSON.stringify(errors, null, 2), 'error')
       process.exit(1)
     } else if (output.errors) {
       const warnings = {};
@@ -286,9 +286,7 @@ class Solc {
     // smart-contracts-core project was linked, too
     process.chdir(path.resolve(__dirname))
 
-    const core_src = [solPath,
-                      findup('node_modules/ens/contracts'),
-                     ].map(modulePath => path.resolve(__dirname, modulePath))
+    const core_src = [ path.resolve(__dirname, solPath) ]
 
     additionalPaths = Array.isArray(additionalPaths) ? additionalPaths : [additionalPaths]
 
diff --git a/package.json b/package.json
index 953c4c2..6099f26 100644
--- a/package.json
+++ b/package.json
@@ -2,15 +2,14 @@
   "license": "Apache-2.0",
   "author": "evan GmbH",
   "dependencies": {
-    "ens": "github:ethereum/ens#6c0cf08eab71b41d54ac516138d4e1f2c32ff5c9",
-    "ethereumjs-tx": "1.3.1",
-    "findup-sync": "^2.0.0",
+    "ethereumjs-tx": "1.3.4",
+    "findup-sync": "^4.0.0",
     "fs-readdir-recursive": "^1.1.0",
-    "solc": "0.5.4"
+    "solc": "^0.5.10"
   },
   "description": "evan.network core smart contracts",
   "devDependencies": {
-    "web3": "1.0.0-beta.55"
+    "web3": "2.0.0-alpha"
   },
   "engines": {
     "node": ">=8.0.0"
@@ -33,5 +32,5 @@
   "scripts": {
     "build-contracts": "node ./scripts/build-contracts.js"
   },
-  "version": "2.4.3"
-}
\ No newline at end of file
+  "version": "2.5.0"
+}