diff --git a/packages/react-signer/package.json b/packages/react-signer/package.json
index f0945c5..b448d75 100644
--- a/packages/react-signer/package.json
+++ b/packages/react-signer/package.json
@@ -17,8 +17,8 @@
   "version": "1.0.2-1-x",
   "dependencies": {
     "@pezkuwi/hw-ledger": "^14.0.11",
-    "@pezkuwi/react-components": "^1.0.2-1-x",
-    "@polkadot-api/merkleize-metadata": "^1.1.27"
+    "@pezkuwi/merkleize-metadata": "^1.0.0",
+    "@pezkuwi/react-components": "^1.0.2-1-x"
   },
   "peerDependencies": {
     "react": "*",
diff --git a/packages/react-signer/src/signers/LedgerSigner.ts b/packages/react-signer/src/signers/LedgerSigner.ts
index 77c2ddf..06d8e1b 100644
--- a/packages/react-signer/src/signers/LedgerSigner.ts
+++ b/packages/react-signer/src/signers/LedgerSigner.ts
@@ -10,7 +10,7 @@ import type { Signer, SignerResult } from '@pezkuwi/api/types';
 import type { Ledger, LedgerGeneric } from '@pezkuwi/hw-ledger';
 import type { Registry, SignerPayloadJSON } from '@pezkuwi/types/types';
 
-import { merkleizeMetadata } from '@polkadot-api/merkleize-metadata';
+import { merkleizeMetadata } from '@pezkuwi/merkleize-metadata';
 
 import { settings } from '@pezkuwi/ui-settings';
 import { objectSpread, u8aToHex } from '@pezkuwi/util';
diff --git a/yarn.lock b/yarn.lock
index c689b25..e2ef92c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2506,6 +2506,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@pezkuwi/bizinikiwi-bindings@npm:1.0.0":
+  version: 1.0.0
+  resolution: "@pezkuwi/bizinikiwi-bindings@npm:1.0.0"
+  dependencies:
+    "@noble/hashes": "npm:^2.0.1"
+    "@pezkuwi/papi-utils": "npm:1.0.0"
+    "@scure/base": "npm:^2.0.0"
+    scale-ts: "npm:^1.6.1"
+  checksum: 10/af4688eab2d23c5c6e681df390851fb02cb1e6e829a0227e51c532c77473bdeefb5367786d23ae368cf9a52b1f122d3b9ea94964ace159fe98dab3c294b37537
+  languageName: node
+  linkType: hard
+
 "@pezkuwi/dev-test@npm:^0.85.3":
   version: 0.85.4
   resolution: "@pezkuwi/dev-test@npm:0.85.4"
@@ -2771,6 +2783,27 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@pezkuwi/merkleize-metadata@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "@pezkuwi/merkleize-metadata@npm:1.0.0"
+  dependencies:
+    "@pezkuwi/bizinikiwi-bindings": "npm:1.0.0"
+    "@pezkuwi/metadata-builders": "npm:1.0.0"
+    "@pezkuwi/papi-utils": "npm:1.0.0"
+  checksum: 10/2837fee1f9e987301c89040c7cece4b54dc960988587db09df35ea592a63b5934cef0add6bcfee192fc1bdf31697bfb79ab61e65c578b1ea7772be1f6937b680
+  languageName: node
+  linkType: hard
+
+"@pezkuwi/metadata-builders@npm:1.0.0":
+  version: 1.0.0
+  resolution: "@pezkuwi/metadata-builders@npm:1.0.0"
+  dependencies:
+    "@pezkuwi/bizinikiwi-bindings": "npm:1.0.0"
+    "@pezkuwi/papi-utils": "npm:1.0.0"
+  checksum: 10/d43cc31506cec23636c5b4445a4cc36d38ed0b7556fec7828af2917719930ea7519038233cef606836316c1ee7ece6ab0a20ee5eaf8f3e14ed595dc39c0b4717
+  languageName: node
+  linkType: hard
+
 "@pezkuwi/networks@npm:^14.0.11":
   version: 14.0.11
   resolution: "@pezkuwi/networks@npm:14.0.11"
@@ -2782,6 +2815,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@pezkuwi/papi-utils@npm:1.0.0":
+  version: 1.0.0
+  resolution: "@pezkuwi/papi-utils@npm:1.0.0"
+  checksum: 10/086de245716f6b2094b00c922eaf12352f738d959c0c0a52c41010ba89370d8d400e8087e265365cb68fd148cbe45991234ebc59c21251b66891cbc1053c123b
+  languageName: node
+  linkType: hard
+
 "@pezkuwi/phishing@npm:^0.25.28":
   version: 0.25.28
   resolution: "@pezkuwi/phishing@npm:0.25.28"
@@ -2951,8 +2991,8 @@ __metadata:
   resolution: "@pezkuwi/react-signer@workspace:packages/react-signer"
   dependencies:
     "@pezkuwi/hw-ledger": "npm:^14.0.11"
+    "@pezkuwi/merkleize-metadata": "npm:^1.0.0"
     "@pezkuwi/react-components": "npm:^1.0.2-1-x"
-    "@polkadot-api/merkleize-metadata": "npm:^1.1.27"
   peerDependencies:
     react: "*"
     react-dom: "*"
@@ -3448,17 +3488,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot-api/merkleize-metadata@npm:^1.1.27":
-  version: 1.1.28
-  resolution: "@polkadot-api/merkleize-metadata@npm:1.1.28"
-  dependencies:
-    "@polkadot-api/metadata-builders": "npm:0.13.8"
-    "@polkadot-api/substrate-bindings": "npm:0.16.6"
-    "@polkadot-api/utils": "npm:0.2.0"
-  checksum: 10/3e4a94427911aba60712ddc5fcec24134c1266b0218e0a84b82366a10bc09e1a0d7201cba9676b68101a01bc533ac8bb22f93f40b6275b2eb9472011526f8ead
-  languageName: node
-  linkType: hard
-
 "@polkadot-api/metadata-builders@npm:0.0.1-492c132563ea6b40ae1fc5470dec4cd18768d182.1.0":
   version: 0.0.1-492c132563ea6b40ae1fc5470dec4cd18768d182.1.0
   resolution: "@polkadot-api/metadata-builders@npm:0.0.1-492c132563ea6b40ae1fc5470dec4cd18768d182.1.0"
@@ -3469,16 +3498,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot-api/metadata-builders@npm:0.13.8":
-  version: 0.13.8
-  resolution: "@polkadot-api/metadata-builders@npm:0.13.8"
-  dependencies:
-    "@polkadot-api/substrate-bindings": "npm:0.16.6"
-    "@polkadot-api/utils": "npm:0.2.0"
-  checksum: 10/dddfe2be0ce4e57c3e31a5b6141bb12dde290a363ec22982e3aadb31314e712ab4b7de26eec8c5072eb12ebaf956dd6b595ae5e30bb33762d528263c601894d8
-  languageName: node
-  linkType: hard
-
 "@polkadot-api/metadata-builders@npm:0.3.2":
   version: 0.3.2
   resolution: "@polkadot-api/metadata-builders@npm:0.3.2"
@@ -3515,18 +3534,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot-api/substrate-bindings@npm:0.16.6":
-  version: 0.16.6
-  resolution: "@polkadot-api/substrate-bindings@npm:0.16.6"
-  dependencies:
-    "@noble/hashes": "npm:^2.0.1"
-    "@polkadot-api/utils": "npm:0.2.0"
-    "@scure/base": "npm:^2.0.0"
-    scale-ts: "npm:^1.6.1"
-  checksum: 10/3428b7cc36ad8534c67543c04414f5454e2d9b68acb7211d348021ae362c8f698d04ceea6e4f7ed37c2d8949fb3d0b5abc8ae85567db0c335ddb8a6816f73e65
-  languageName: node
-  linkType: hard
-
 "@polkadot-api/substrate-bindings@npm:0.6.0":
   version: 0.6.0
   resolution: "@polkadot-api/substrate-bindings@npm:0.6.0"
@@ -3570,13 +3577,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot-api/utils@npm:0.2.0":
-  version: 0.2.0
-  resolution: "@polkadot-api/utils@npm:0.2.0"
-  checksum: 10/5171c52af86bc85181cf8681342e38a6cbbe049d70f437ab256641a30f2d167d4d1f5f871d13731d9a7e08be5b35c2e981deba4efe6f16f0c57f2309d90bb52c
-  languageName: node
-  linkType: hard
-
 "@polkadot/api-augment@npm:10.13.1":
   version: 10.13.1
   resolution: "@polkadot/api-augment@npm:10.13.1"