diff --git a/package-lock.json b/package-lock.json
index bddc9d1..9386a78 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1381,12 +1381,131 @@
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@@ -2944,6 +3063,20 @@
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+    "ethereum-ens": {
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+      "dev": true,
+      "requires": {
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+        "js-sha3": "^0.5.7",
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+        "web3": "^1.0.0-beta.34"
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@@ -5676,17 +5809,19 @@
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+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/openzeppelin-test-helpers/-/openzeppelin-test-helpers-0.5.1.tgz",
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-        "chai-bn": "^0.1.1",
+        "chai-bn": "^0.2.0",
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-        "truffle-contract": "^4.0.26",
-        "web3-utils": "^1.2.0"
+        "web3": "^1.2.1",
+        "web3-utils": "^1.2.1"
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@@ -5874,6 +6009,12 @@
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+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.10.tgz",
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+    },
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@@ -7280,12 +7421,6 @@
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@@ -7300,64 +7435,6 @@
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-    "truffle-contract": {
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-      "resolved": "https://registry.npmjs.org/truffle-contract/-/truffle-contract-4.0.30.tgz",
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-        "ethers": "^4.0.0-beta.1",
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-        "truffle-contract-schema": "^3.0.13",
-        "truffle-error": "^0.0.5",
-        "truffle-interface-adapter": "^0.2.4",
-        "web3": "1.2.1",
-        "web3-core-promievent": "1.2.1",
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-        "web3-utils": "1.2.1"
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-    "truffle-contract-schema": {
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@@ -7407,44 +7484,6 @@
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diff --git a/package.json b/package.json
index 9357e05..056c51d 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,6 @@
     "@openzeppelin/gsn-helpers": "^0.2.3",
     "chai": "^4.2.0",
     "husky": "^3.1.0",
-    "openzeppelin-test-helpers": "^0.4.3"
+    "openzeppelin-test-helpers": "^0.5.1"
   }
 }