diff --git a/package-lock.json b/package-lock.json
index 5f0fef089..52b4e646c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14076,6 +14076,92 @@
         }
       }
     },
+    "eth-trezor-keyring": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/eth-trezor-keyring/-/eth-trezor-keyring-0.4.0.tgz",
+      "integrity": "sha512-7F+C1ztxZStLzmG6r/2/MxjSuxw0aU9T26unJ03fQslktKG9izP+dU2IAJUnWxnyej2ZkfcgcH9M1t32LFbK2A==",
+      "requires": {
+        "eth-sig-util": "^1.4.2",
+        "ethereumjs-tx": "^1.3.4",
+        "ethereumjs-util": "^5.1.5",
+        "events": "^2.0.0",
+        "hdkey": "0.8.0",
+        "trezor-connect": "^7.0.1"
+      },
+      "dependencies": {
+        "eth-sig-util": {
+          "version": "1.4.2",
+          "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-1.4.2.tgz",
+          "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
+          "requires": {
+            "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#8431eab7b3384e65e8126a4602520b78031666fb",
+            "ethereumjs-util": "^5.1.1"
+          }
+        },
+        "ethereumjs-abi": {
+          "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#8431eab7b3384e65e8126a4602520b78031666fb",
+          "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+          "requires": {
+            "bn.js": "^4.11.8",
+            "ethereumjs-util": "^6.0.0"
+          },
+          "dependencies": {
+            "ethereumjs-util": {
+              "version": "6.1.0",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
+              "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
+              "requires": {
+                "bn.js": "^4.11.0",
+                "create-hash": "^1.1.2",
+                "ethjs-util": "0.1.6",
+                "keccak": "^1.0.2",
+                "rlp": "^2.0.0",
+                "safe-buffer": "^5.1.1",
+                "secp256k1": "^3.0.1"
+              }
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
+          "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "ethjs-util": "^0.1.3",
+            "keccak": "^1.0.2",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1",
+            "secp256k1": "^3.0.1"
+          }
+        },
+        "ethjs-util": {
+          "version": "0.1.6",
+          "resolved": "https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.6.tgz",
+          "integrity": "sha512-CUnVOQq7gSpDHZVVrQW8ExxUETWrnrvXYvYz55wOU8Uj4VCgw56XC2B/fVqQN+f7gmrnRHSLVnFAwsCuNwji8w==",
+          "requires": {
+            "is-hex-prefixed": "1.0.0",
+            "strip-hex-prefix": "1.0.0"
+          }
+        },
+        "events": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/events/-/events-2.1.0.tgz",
+          "integrity": "sha512-3Zmiobend8P9DjmKAty0Era4jV8oJ0yGYe2nJJAxgymF9+N8F2m0hhZiMoWtcfepExzNKZumFU3ksdQbInGWCg=="
+        },
+        "hdkey": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/hdkey/-/hdkey-0.8.0.tgz",
+          "integrity": "sha512-oYsdlK22eobT68N5faWI3776f6tOLyqxLLYwxMx+TP0rkWzuCs0oiOm2VbLWcxdpHFP4LtiRR8udaIX8VkEaZQ==",
+          "requires": {
+            "coinstring": "^2.0.0",
+            "safe-buffer": "^5.1.1",
+            "secp256k1": "^3.0.1"
+          }
+        }
+      }
+    },
     "eth-tx-summary": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/eth-tx-summary/-/eth-tx-summary-3.2.3.tgz",
@@ -41250,6 +41336,41 @@
       "resolved": "https://registry.npmjs.org/treeify/-/treeify-1.1.0.tgz",
       "integrity": "sha512-1m4RA7xVAJrSGrrXGs0L3YTwyvBs2S8PbRHaLZAkFw7JR8oIFwYtysxlBZhYIa7xSyiYJKZ3iGrrk55cGA3i9A=="
     },
+    "trezor-connect": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/trezor-connect/-/trezor-connect-7.0.3.tgz",
+      "integrity": "sha512-1Y1ajCDF8dC5d2yrCUmVkNqXeOlucamQ6j6Ko7kaqNdge3g9KZ+O48jUwP/eGzei8oUvPZUHd7o4OhDHTlpLCw==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "events": "^3.0.0",
+        "whatwg-fetch": "^3.0.0"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.4.5",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.4.5.tgz",
+          "integrity": "sha512-TuI4qpWZP6lGOGIuGWtp9sPluqYICmbk8T/1vpSysqJxRPkudh/ofFWyqdcMsDf2s7KvDL4/YHgKyvcS3g9CJQ==",
+          "requires": {
+            "regenerator-runtime": "^0.13.2"
+          }
+        },
+        "events": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/events/-/events-3.0.0.tgz",
+          "integrity": "sha512-Dc381HFWJzEOhQ+d8pkNon++bk9h6cdAoAj4iE6Q4y6xgTzySWXlKn05/TVNpjnfRqi/X0EpJEJohPjNI3zpVA=="
+        },
+        "regenerator-runtime": {
+          "version": "0.13.2",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz",
+          "integrity": "sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA=="
+        },
+        "whatwg-fetch": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz",
+          "integrity": "sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q=="
+        }
+      }
+    },
     "trim": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/trim/-/trim-0.0.1.tgz",
diff --git a/package.json b/package.json
index 7b6db5300..dde44caf8 100644
--- a/package.json
+++ b/package.json
@@ -100,6 +100,7 @@
     "eth-query": "^2.1.2",
     "eth-sig-util": "^2.0.2",
     "eth-token-tracker": "^1.1.5",
+    "eth-trezor-keyring": "^0.4.0",
     "ethereumjs-abi": "^0.6.4",
     "ethereumjs-tx": "^1.3.7",
     "ethereumjs-util": "github:ethereumjs/ethereumjs-util#ac5d0908536b447083ea422b435da27f26615de9",