diff --git a/package-lock.json b/package-lock.json
index d769ef5..53013cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -199,6 +199,18 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "bip174": {
+      "version": "git+https://github.com/lukechilds/bip174.git#284395b0380fb08319c9121cc979c8a03de01ee3",
+      "from": "git+https://github.com/lukechilds/bip174.git#finish-init",
+      "requires": {
+        "bip66": "^1.1.5",
+        "bitcoin-ops": "^1.4.1",
+        "bitcoinjs-lib": "^5.0.3",
+        "bn.js": "^4.11.8",
+        "pushdata-bitcoin": "^1.0.1",
+        "varuint-bitcoin": "^1.1.0"
+      }
+    },
     "bip32": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/bip32/-/bip32-2.0.3.tgz",
@@ -251,6 +263,28 @@
       "resolved": "https://registry.npmjs.org/bitcoin-ops/-/bitcoin-ops-1.4.1.tgz",
       "integrity": "sha512-pef6gxZFztEhaE9RY9HmWVmiIHqCb2OyS4HPKkpc6CIiiOa3Qmuoylxc5P2EkU3w+5eTSifI9SEZC88idAIGow=="
     },
+    "bitcoinjs-lib": {
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/bitcoinjs-lib/-/bitcoinjs-lib-5.0.5.tgz",
+      "integrity": "sha512-BUimtgWFoWmoXQ74XxlQH8y9Vzi8ypFiWErDkP+VBe0nGcU3bKAJbNhzhZOO1/QAfyelfNvxVV5Cj189XinmPg==",
+      "requires": {
+        "@types/node": "10.12.18",
+        "bech32": "^1.1.2",
+        "bip32": "^2.0.3",
+        "bip66": "^1.1.0",
+        "bitcoin-ops": "^1.4.0",
+        "bs58check": "^2.0.0",
+        "create-hash": "^1.1.0",
+        "create-hmac": "^1.1.3",
+        "merkle-lib": "^2.0.10",
+        "pushdata-bitcoin": "^1.0.1",
+        "randombytes": "^2.0.1",
+        "tiny-secp256k1": "^1.1.1",
+        "typeforce": "^1.11.3",
+        "varuint-bitcoin": "^1.0.4",
+        "wif": "^2.0.1"
+      }
+    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
diff --git a/package.json b/package.json
index b8ec5f3..3758c00 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
   "dependencies": {
     "@types/node": "10.12.18",
     "bech32": "^1.1.2",
+    "bip174": "git+https://github.com/lukechilds/bip174.git#finish-init",
     "bip32": "^2.0.3",
     "bip66": "^1.1.0",
     "bitcoin-ops": "^1.4.0",