diff --git a/package-lock.json b/package-lock.json
index 21af22f..9f8ff0a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,7 +5,7 @@
   "requires": true,
   "dependencies": {
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-      "version": "github:paritytech/js-abi#e364fa15d13a10d2d35f2e6144017ab3afeca444",
+      "version": "github:paritytech/js-abi#2e0cbd499e1dcb8d1cb7afc088eba42226ee0a9e",
       "requires": {
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         "js-sha3": "0.5.5",
@@ -13,10 +13,10 @@
       }
     },
     "@parity/api": {
-      "version": "github:paritytech/js-api#578af80a1e6ba52ae2912cdbbe6c389a23045b7f",
+      "version": "github:paritytech/js-api#6dc6df6372af5f6f4505e817b0a8545ff91d5792",
       "requires": {
-        "@parity/abi": "github:paritytech/js-abi#e364fa15d13a10d2d35f2e6144017ab3afeca444",
-        "@parity/jsonrpc": "github:paritytech/js-jsonrpc#ca4d2248fdb182bae40ff65c95190e7d59dcf3e0",
+        "@parity/abi": "github:paritytech/js-abi#2e0cbd499e1dcb8d1cb7afc088eba42226ee0a9e",
+        "@parity/jsonrpc": "github:paritytech/js-jsonrpc#3433ef7090ede3feef3ae4a6c30d6ae4961b1944",
         "@parity/wordlist": "1.1.0",
         "bignumber.js": "3.0.1",
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@@ -33,19 +33,19 @@
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     "@parity/jsonrpc": {
-      "version": "github:paritytech/js-jsonrpc#ca4d2248fdb182bae40ff65c95190e7d59dcf3e0"
+      "version": "github:paritytech/js-jsonrpc#3433ef7090ede3feef3ae4a6c30d6ae4961b1944"
     },
     "@parity/ledger": {
-      "version": "github:paritytech/js-ledger#b57c85ff9cbffad53b79f8ef7853a16eadd8aa0f",
+      "version": "github:paritytech/js-ledger#778c9be4a65141a92a83e1054023182b7dc730e2",
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-      "version": "github:paritytech/js-shared#ab03a0f92b9e27a5b0f6216c1f566d4934d3e900",
+      "version": "github:paritytech/js-shared#667df73b7ab5d31ea9401add99b1092ae7834d76",
       "requires": {
-        "@parity/ledger": "github:paritytech/js-ledger#b57c85ff9cbffad53b79f8ef7853a16eadd8aa0f",
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@@ -301,7 +301,7 @@
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@@ -1278,7 +1278,7 @@
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@@ -1524,7 +1524,7 @@
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       "dev": true,
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+        "caniuse-db": "1.0.30000727",
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@@ -1581,7 +1581,7 @@
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       "dev": true,
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+        "no-case": "2.3.2",
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@@ -1597,15 +1597,15 @@
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-      "integrity": "sha1-m7dC+NAmpi34c7wDwGhD0iVbYNc=",
+      "version": "1.0.30000727",
+      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000727.tgz",
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@@ -1966,7 +1966,7 @@
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@@ -1995,7 +1995,7 @@
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@@ -2198,7 +2198,7 @@
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@@ -2398,7 +2398,7 @@
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@@ -2604,7 +2604,7 @@
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@@ -2662,9 +2662,9 @@
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+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.10.0.tgz",
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@@ -3092,7 +3092,7 @@
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+        "iconv-lite": "0.4.19",
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@@ -3160,9 +3160,9 @@
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-      "resolved": "https://registry.npmjs.org/fbjs/-/fbjs-0.8.14.tgz",
-      "integrity": "sha1-0dviviVMNakeCfMfnNUKQLKg7Rw=",
+      "version": "0.8.15",
+      "resolved": "https://registry.npmjs.org/fbjs/-/fbjs-0.8.15.tgz",
+      "integrity": "sha1-TwaV/fzBbDfAsH+s7Iy0xAkWhbk=",
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@@ -4455,7 +4455,7 @@
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@@ -4475,9 +4475,9 @@
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+      "resolved": "https://registry.npmjs.org/html-minifier/-/html-minifier-3.5.4.tgz",
+      "integrity": "sha512-kzvy0Lvs4anPdqWgeXiLisMqAKyHwgajAQaarzwZJHkTU40/Cbqup873U2WtPem8uPbGddVnPes3wtfzQz3+hg==",
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@@ -4487,7 +4487,7 @@
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-        "uglify-js": "3.0.28"
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@@ -4497,7 +4497,7 @@
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@@ -4577,9 +4577,9 @@
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+      "version": "0.4.19",
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@@ -5081,9 +5081,9 @@
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-      "integrity": "sha1-8OgK4DmkvWVLXygfyT8EqRSn/M4=",
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@@ -5633,9 +5633,9 @@
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-      "integrity": "sha1-euuhxzpSGEJlVUt9wDuvcg34AIE=",
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@@ -5903,7 +5903,7 @@
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@@ -5916,7 +5916,7 @@
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@@ -5992,9 +5992,9 @@
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@@ -6060,7 +6060,7 @@
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@@ -7101,7 +7101,7 @@
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@@ -7146,7 +7146,7 @@
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@@ -7171,7 +7171,7 @@
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@@ -7586,9 +7586,9 @@
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@@ -7818,9 +7818,9 @@
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@@ -8202,9 +8202,9 @@
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