diff --git a/package-lock.json b/package-lock.json
index 21180dd59..099cd45ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6244,60 +6244,52 @@
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@@ -6420,6 +6456,44 @@
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@@ -6429,6 +6503,12 @@
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@@ -7688,6 +7768,38 @@
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           "integrity": "sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==",
-          "dev": true,
           "requires": {
             "es6-iterator": "~2.0.3",
             "es6-symbol": "~3.1.3",
@@ -41114,7 +41278,6 @@
           "version": "3.1.3",
           "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.3.tgz",
           "integrity": "sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==",
-          "dev": true,
           "requires": {
             "d": "^1.0.1",
             "ext": "^1.1.2"
@@ -41123,14 +41286,12 @@
         "nan": {
           "version": "2.14.0",
           "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-          "dev": true
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
         },
         "typedarray-to-buffer": {
           "version": "3.1.5",
           "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
           "integrity": "sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==",
-          "dev": true,
           "requires": {
             "is-typedarray": "^1.0.0"
           }
diff --git a/package.json b/package.json
index 1a393f4f4..b3b186a76 100644
--- a/package.json
+++ b/package.json
@@ -171,7 +171,7 @@
     "yauzl": "2.10.0"
   },
   "dependencies": {
-    "@parity/api": "2.1.24",
+    "@parity/api": "5.1.19",
     "@parity/mobx": "1.1.4",
     "@parity/plugin-signer-account": "github:parity-js/plugin-signer-account#05294dce59b7cd7c4f1b26dc604fc6a04dd02bc8",
     "@parity/plugin-signer-default": "github:parity-js/plugin-signer-default#dcf8cf23bb050070b6a691413b974b5c2d7d1ce6",