diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86c3715..47337ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## 0.1.5 (unreleased)
+## 0.1.5 (2020-09-15)
 ### Added
 - Added support for [solidity-coverage](https://github.com/sc-forks/solidity-coverage).
 - Bumped ganache-core to 2.11.2.
diff --git a/package-lock.json b/package-lock.json
index 2f5f313..680b04b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@openzeppelin/test-environment",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1755,12 +1755,28 @@
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+    "@types/pbkdf2": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.1.0.tgz",
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+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/prettier": {
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       "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-1.19.1.tgz",
       "integrity": "sha512-5qOlnZscTn4xxM5MeGXAMOsIOIKIbh9e85zJWfBRVPlRMEVawzoPhINYbRGkBZCI8LxvBe7tJCdWiarA99OZfQ==",
       "dev": true
     },
+    "@types/secp256k1": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.1.tgz",
+      "integrity": "sha512-+ZjSA8ELlOp8SlKi0YLB2tz9d5iPNEmOBd+8Rz21wTMdaXQIa9b6TEnD6l5qKOCypE7FSyPyck12qZJxSDNoog==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/semver": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/@types/semver/-/semver-7.1.0.tgz",
@@ -2393,6 +2409,11 @@
         "safe-buffer": "^5.1.1"
       }
     },
+    "blakejs": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.1.0.tgz",
+      "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U="
+    },
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@@ -5254,17 +5275,337 @@
         "websocket": "1.0.29"
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+          }
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+        "@babel/core": {
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+            "@babel/generator": "^7.8.3",
+            "@babel/helpers": "^7.8.3",
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+            "gensync": "^1.0.0-beta.1",
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+            "lodash": "^4.17.13",
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+                          "version": "0.1.3",
+                          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                          "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                          "requires": {
+                            "@types/pbkdf2": "^3.0.0",
+                            "@types/secp256k1": "^4.0.1",
+                            "blakejs": "^1.1.0",
+                            "browserify-aes": "^1.2.0",
+                            "bs58check": "^2.1.2",
+                            "create-hash": "^1.2.0",
+                            "create-hmac": "^1.1.7",
+                            "hash.js": "^1.1.7",
+                            "keccak": "^3.0.0",
+                            "pbkdf2": "^3.0.17",
+                            "randombytes": "^2.1.0",
+                            "safe-buffer": "^5.1.2",
+                            "scrypt-js": "^3.0.0",
+                            "secp256k1": "^4.0.1",
+                            "setimmediate": "^1.0.5"
+                          }
+                        },
+                        "keccak": {
+                          "version": "3.0.1",
+                          "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.1.tgz",
+                          "integrity": "sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==",
+                          "requires": {
+                            "node-addon-api": "^2.0.0",
+                            "node-gyp-build": "^4.2.0"
+                          }
+                        }
+                      }
+                    },
+                    "keccak": {
+                      "version": "1.4.0",
+                      "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
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+                        "inherits": "^2.0.3",
+                        "nan": "^2.2.1",
+                        "safe-buffer": "^5.1.0"
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@@ -8098,9 +9633,58 @@
                     "ethereum-cryptography": "^0.1.3",
                     "ethjs-util": "0.1.6",
                     "rlp": "^2.2.3"
+                  },
+                  "dependencies": {
+                    "ethereum-cryptography": {
+                      "version": "0.1.3",
+                      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
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+                      "requires": {
+                        "@types/pbkdf2": "^3.0.0",
+                        "@types/secp256k1": "^4.0.1",
+                        "blakejs": "^1.1.0",
+                        "browserify-aes": "^1.2.0",
+                        "bs58check": "^2.1.2",
+                        "create-hash": "^1.2.0",
+                        "create-hmac": "^1.1.7",
+                        "hash.js": "^1.1.7",
+                        "keccak": "^3.0.0",
+                        "pbkdf2": "^3.0.17",
+                        "randombytes": "^2.1.0",
+                        "safe-buffer": "^5.1.2",
+                        "scrypt-js": "^3.0.0",
+                        "secp256k1": "^4.0.1",
+                        "setimmediate": "^1.0.5"
+                      }
+                    },
+                    "keccak": {
+                      "version": "3.0.1",
+                      "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.1.tgz",
+                      "integrity": "sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==",
+                      "requires": {
+                        "node-addon-api": "^2.0.0",
+                        "node-gyp-build": "^4.2.0"
+                      }
+                    }
+                  }
+                },
+                "keccak": {
+                  "version": "2.1.0",
+                  "resolved": "https://registry.npmjs.org/keccak/-/keccak-2.1.0.tgz",
+                  "integrity": "sha512-m1wbJRTo+gWbctZWay9i26v5fFnYkOn7D5PCxJ3fZUGUEb49dE1Pm4BREUYCt/aoO6di7jeoGmhvqN9Nzylm3Q==",
+                  "requires": {
+                    "bindings": "^1.5.0",
+                    "inherits": "^2.0.4",
+                    "nan": "^2.14.0",
+                    "safe-buffer": "^5.2.0"
                   }
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               }
+            },
+            "nan": {
+              "version": "2.14.0",
+              "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+              "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
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@@ -8108,7 +9692,6 @@
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-          "optional": true,
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@@ -8159,6 +9742,30 @@
                     "elliptic": "^6.5.2",
                     "ethereum-cryptography": "^0.1.3",
                     "rlp": "^2.0.0"
+                  },
+                  "dependencies": {
+                    "ethereum-cryptography": {
+                      "version": "0.1.3",
+                      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                      "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                      "requires": {
+                        "@types/pbkdf2": "^3.0.0",
+                        "@types/secp256k1": "^4.0.1",
+                        "blakejs": "^1.1.0",
+                        "browserify-aes": "^1.2.0",
+                        "bs58check": "^2.1.2",
+                        "create-hash": "^1.2.0",
+                        "create-hmac": "^1.1.7",
+                        "hash.js": "^1.1.7",
+                        "keccak": "^3.0.0",
+                        "pbkdf2": "^3.0.17",
+                        "randombytes": "^2.1.0",
+                        "safe-buffer": "^5.1.2",
+                        "scrypt-js": "^3.0.0",
+                        "secp256k1": "^4.0.1",
+                        "setimmediate": "^1.0.5"
+                      }
+                    }
                   }
                 }
               }
@@ -8175,6 +9782,30 @@
                 "ethjs-util": "^0.1.3",
                 "rlp": "^2.0.0",
                 "safe-buffer": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereum-cryptography": {
+                  "version": "0.1.3",
+                  "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                  "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                  "requires": {
+                    "@types/pbkdf2": "^3.0.0",
+                    "@types/secp256k1": "^4.0.1",
+                    "blakejs": "^1.1.0",
+                    "browserify-aes": "^1.2.0",
+                    "bs58check": "^2.1.2",
+                    "create-hash": "^1.2.0",
+                    "create-hmac": "^1.1.7",
+                    "hash.js": "^1.1.7",
+                    "keccak": "^3.0.0",
+                    "pbkdf2": "^3.0.17",
+                    "randombytes": "^2.1.0",
+                    "safe-buffer": "^5.1.2",
+                    "scrypt-js": "^3.0.0",
+                    "secp256k1": "^4.0.1",
+                    "setimmediate": "^1.0.5"
+                  }
+                }
               }
             }
           }
@@ -8251,7 +9882,31 @@
                 "ethjs-util": "^0.1.3",
                 "rlp": "^2.0.0",
                 "safe-buffer": "^5.1.1"
-              }
+              },
+              "dependencies": {
+                "ethereum-cryptography": {
+                  "version": "0.1.3",
+                  "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                  "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                  "requires": {
+                    "@types/pbkdf2": "^3.0.0",
+                    "@types/secp256k1": "^4.0.1",
+                    "blakejs": "^1.1.0",
+                    "browserify-aes": "^1.2.0",
+                    "bs58check": "^2.1.2",
+                    "create-hash": "^1.2.0",
+                    "create-hmac": "^1.1.7",
+                    "hash.js": "^1.1.7",
+                    "keccak": "^3.0.0",
+                    "pbkdf2": "^3.0.17",
+                    "randombytes": "^2.1.0",
+                    "safe-buffer": "^5.1.2",
+                    "scrypt-js": "^3.0.0",
+                    "secp256k1": "^4.0.1",
+                    "setimmediate": "^1.0.5"
+                  }
+                }
+              }
             },
             "ethereumjs-vm": {
               "version": "2.6.0",
@@ -8295,6 +9950,50 @@
                         "ethjs-util": "^0.1.3",
                         "rlp": "^2.0.0",
                         "safe-buffer": "^5.1.1"
+                      },
+                      "dependencies": {
+                        "ethereum-cryptography": {
+                          "version": "0.1.3",
+                          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                          "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                          "requires": {
+                            "@types/pbkdf2": "^3.0.0",
+                            "@types/secp256k1": "^4.0.1",
+                            "blakejs": "^1.1.0",
+                            "browserify-aes": "^1.2.0",
+                            "bs58check": "^2.1.2",
+                            "create-hash": "^1.2.0",
+                            "create-hmac": "^1.1.7",
+                            "hash.js": "^1.1.7",
+                            "keccak": "^3.0.0",
+                            "pbkdf2": "^3.0.17",
+                            "randombytes": "^2.1.0",
+                            "safe-buffer": "^5.1.2",
+                            "scrypt-js": "^3.0.0",
+                            "secp256k1": "^4.0.1",
+                            "setimmediate": "^1.0.5"
+                          }
+                        },
+                        "keccak": {
+                          "version": "3.0.1",
+                          "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.1.tgz",
+                          "integrity": "sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==",
+                          "requires": {
+                            "node-addon-api": "^2.0.0",
+                            "node-gyp-build": "^4.2.0"
+                          }
+                        }
+                      }
+                    },
+                    "keccak": {
+                      "version": "1.4.0",
+                      "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
+                      "integrity": "sha512-eZVaCpblK5formjPjeTBik7TAg+pqnDrMHIffSvi9Lh7PQgM1+hSzakUeZFCk9DVVG0dacZJuaz2ntwlzZUIBw==",
+                      "requires": {
+                        "bindings": "^1.2.1",
+                        "inherits": "^2.0.3",
+                        "nan": "^2.2.1",
+                        "safe-buffer": "^5.1.0"
                       }
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                   }
@@ -8320,9 +10019,58 @@
                     "ethereum-cryptography": "^0.1.3",
                     "ethjs-util": "0.1.6",
                     "rlp": "^2.2.3"
+                  },
+                  "dependencies": {
+                    "ethereum-cryptography": {
+                      "version": "0.1.3",
+                      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                      "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                      "requires": {
+                        "@types/pbkdf2": "^3.0.0",
+                        "@types/secp256k1": "^4.0.1",
+                        "blakejs": "^1.1.0",
+                        "browserify-aes": "^1.2.0",
+                        "bs58check": "^2.1.2",
+                        "create-hash": "^1.2.0",
+                        "create-hmac": "^1.1.7",
+                        "hash.js": "^1.1.7",
+                        "keccak": "^3.0.0",
+                        "pbkdf2": "^3.0.17",
+                        "randombytes": "^2.1.0",
+                        "safe-buffer": "^5.1.2",
+                        "scrypt-js": "^3.0.0",
+                        "secp256k1": "^4.0.1",
+                        "setimmediate": "^1.0.5"
+                      }
+                    },
+                    "keccak": {
+                      "version": "3.0.1",
+                      "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.1.tgz",
+                      "integrity": "sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==",
+                      "requires": {
+                        "node-addon-api": "^2.0.0",
+                        "node-gyp-build": "^4.2.0"
+                      }
+                    }
+                  }
+                },
+                "keccak": {
+                  "version": "2.1.0",
+                  "resolved": "https://registry.npmjs.org/keccak/-/keccak-2.1.0.tgz",
+                  "integrity": "sha512-m1wbJRTo+gWbctZWay9i26v5fFnYkOn7D5PCxJ3fZUGUEb49dE1Pm4BREUYCt/aoO6di7jeoGmhvqN9Nzylm3Q==",
+                  "requires": {
+                    "bindings": "^1.5.0",
+                    "inherits": "^2.0.4",
+                    "nan": "^2.14.0",
+                    "safe-buffer": "^5.2.0"
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               }
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+            "nan": {
+              "version": "2.14.0",
+              "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+              "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
             }
           }
         },
@@ -8337,10 +10085,18 @@
             "miller-rabin": "^4.0.0"
           },
           "dependencies": {
+            "async": {
+              "version": "2.6.3",
+              "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+              "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+              "requires": {
+                "lodash": "^4.17.14"
+              }
+            },
             "bn.js": {
-              "version": "5.1.2",
-              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.1.2.tgz",
-              "integrity": "sha512-40rZaf3bUNKTVYu9sIeeEGOg7g14Yvnj9kH7b50EiwX0Q7A6umbvfI5tvHaOERH0XigqKkfLkFQxzb4e6CIXnA=="
+              "version": "5.1.3",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.1.3.tgz",
+              "integrity": "sha512-GkTiFpjFtUzU9CbMeJ5iazkCzGL3jrhzerzZIuqLABjbwRaFt33I9tUdSNryIptM+RxDet6OKm2WnLXzW51KsQ=="
             },
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               "version": "2.0.2",
@@ -8361,6 +10117,30 @@
                 "ethereum-cryptography": "^0.1.3",
                 "ethjs-util": "0.1.6",
                 "rlp": "^2.2.4"
+              },
+              "dependencies": {
+                "ethereum-cryptography": {
+                  "version": "0.1.3",
+                  "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                  "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                  "requires": {
+                    "@types/pbkdf2": "^3.0.0",
+                    "@types/secp256k1": "^4.0.1",
+                    "blakejs": "^1.1.0",
+                    "browserify-aes": "^1.2.0",
+                    "bs58check": "^2.1.2",
+                    "create-hash": "^1.2.0",
+                    "create-hmac": "^1.1.7",
+                    "hash.js": "^1.1.7",
+                    "keccak": "^3.0.0",
+                    "pbkdf2": "^3.0.17",
+                    "randombytes": "^2.1.0",
+                    "safe-buffer": "^5.1.2",
+                    "scrypt-js": "^3.0.0",
+                    "secp256k1": "^4.0.1",
+                    "setimmediate": "^1.0.5"
+                  }
+                }
               }
             }
           }
@@ -8369,9 +10149,15 @@
           "version": "1.0.7",
           "resolved": "https://registry.npmjs.org/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.7.tgz",
           "integrity": "sha512-cDcJJSJ9GMAcURiAWO3DxIEhTL/uWqlQnvgKpuYQzYPrt/izuGU+1ntQmHt0IRq6ADoSYHFnB+aCEFIldjhkMQ==",
-          "optional": true,
           "requires": {
             "js-sha3": "^0.8.0"
+          },
+          "dependencies": {
+            "js-sha3": {
+              "version": "0.8.0",
+              "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+              "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
+            }
           }
         },
         "ethereum-common": {
@@ -8379,28 +10165,6 @@
           "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
           "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8="
         },
-        "ethereum-cryptography": {
-          "version": "0.1.3",
-          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
-          "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
-          "requires": {
-            "@types/pbkdf2": "^3.0.0",
-            "@types/secp256k1": "^4.0.1",
-            "blakejs": "^1.1.0",
-            "browserify-aes": "^1.2.0",
-            "bs58check": "^2.1.2",
-            "create-hash": "^1.2.0",
-            "create-hmac": "^1.1.7",
-            "hash.js": "^1.1.7",
-            "keccak": "^3.0.0",
-            "pbkdf2": "^3.0.17",
-            "randombytes": "^2.1.0",
-            "safe-buffer": "^5.1.2",
-            "scrypt-js": "^3.0.0",
-            "secp256k1": "^4.0.1",
-            "setimmediate": "^1.0.5"
-          }
-        },
         "ethereumjs-abi": {
           "version": "0.6.7",
           "resolved": "https://registry.npmjs.org/ethereumjs-abi/-/ethereumjs-abi-0.6.7.tgz",
@@ -8444,6 +10208,30 @@
                 "ethjs-util": "^0.1.3",
                 "rlp": "^2.0.0",
                 "safe-buffer": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereum-cryptography": {
+                  "version": "0.1.3",
+                  "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
+                  "integrity": "sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==",
+                  "requires": {
+                    "@types/pbkdf2": "^3.0.0",
+                    "@types/secp256k1": "^4.0.1",
+                    "blakejs": "^1.1.0",
+                    "browserify-aes": "^1.2.0",
+                    "bs58check": "^2.1.2",
+                    "create-hash": "^1.2.0",
+                    "create-hmac": "^1.1.7",
+                    "hash.js": "^1.1.7",
+                    "keccak": "^3.0.0",
+                    "pbkdf2": "^3.0.17",
+                    "randombytes": "^2.1.0",
+                    "safe-buffer": "^5.1.2",
+                    "scrypt-js": "^3.0.0",
+                    "secp256k1": "^4.0.1",
+                    "setimmediate": "^1.0.5"
+                  }
+                }
               }
             }
           }
@@ -8463,6 +10251,56 @@
             "lru-cache": "^5.1.1",
             "rlp": "^2.2.2",
             "semaphore": "^1.1.0"
+          },
+          "dependencies": {
+            "ethereumjs-util": {
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@@ -13814,6 +19224,50 @@
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@@ -13839,6 +19293,39 @@
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+          "integrity": "sha512-jLdtEOB112fORuypAyl/50VRVIBIdVQOSUUGQHzJ4xBSbit81zRarz7GThkEFZy1RceYrWYcPcBFPQwHyAc1gA=="
+        }
+      }
+    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
diff --git a/package.json b/package.json
index 9725940..1d55365 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@openzeppelin/test-environment",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "One-line setup for an awesome testing experience.",
   "main": "./lib/index.js",
   "types": "./lib/index.d.ts",