diff --git a/package.json b/package.json
index 6488715346..d581443ca8 100644
--- a/package.json
+++ b/package.json
@@ -12,15 +12,15 @@
     "packages/*"
   ],
   "resolutions": {
-    "@polkadot/api": "^3.1.2-2",
-    "@polkadot/api-contract": "^3.1.2-2",
+    "@polkadot/api": "^3.1.2-6",
+    "@polkadot/api-contract": "^3.1.2-6",
     "@polkadot/keyring": "^5.1.1",
     "@polkadot/networks": "^5.1.1",
-    "@polkadot/types": "^3.1.2-2",
+    "@polkadot/types": "^3.1.2-6",
     "@polkadot/util": "^5.1.1",
     "@polkadot/util-crypto": "^5.1.1",
     "@polkadot/wasm-crypto": "^3.1.1",
-    "@polkadot/x-rxjs": "^3.1.2-2",
+    "@polkadot/x-rxjs": "^3.1.2-6",
     "babel-core": "^7.0.0-bridge.0",
     "styled-components": "^5.2.0",
     "typescript": "^4.1.2"
@@ -66,7 +66,7 @@
     "@babel/register": "^7.12.10",
     "@babel/runtime": "^7.12.5",
     "@pinata/sdk": "^1.1.11",
-    "@polkadot/dev": "^0.61.13",
+    "@polkadot/dev": "^0.61.15",
     "@polkadot/ts": "^0.3.58",
     "@types/bn.js": "^4.11.6",
     "@types/chart.js": "^2.9.28",
diff --git a/packages/apps-config/src/api/bundle/spec/moonbeam.ts b/packages/apps-config/src/api/bundle/spec/moonbeam.ts
index 669be4a554..88f0797db1 100644
--- a/packages/apps-config/src/api/bundle/spec/moonbeam.ts
+++ b/packages/apps-config/src/api/bundle/spec/moonbeam.ts
@@ -3,13 +3,10 @@
 
 import type { OverrideBundleDefinition } from '@polkadot/types/types';
 
-import rpcGen from './frontier-rpc';
-
 // structs need to be in order
 /* eslint-disable sort-keys */
 
 export default {
-  rpc: rpcGen(),
   types: [
     {
       minmax: [0, 4],
@@ -23,58 +20,6 @@ export default {
           nonce: 'U256',
           balance: 'u128'
         },
-        TransactionCondition: {
-          _enum: {
-            block: 'u64',
-            time: 'u64'
-          }
-        },
-        Transaction: {
-          block_hash: 'Option<H256>',
-          block_number: 'Option<U256>',
-          chain_id: 'Option<u64>',
-          condition: 'Option<TransactionCondition>',
-          creates: 'Option<H160>',
-          from: 'H160',
-          gas: 'U256',
-          gas_price: 'U256',
-          hash: 'H256',
-          input: 'Bytes',
-          nonce: 'U256',
-          public_key: 'Option<H512>',
-          r: 'U256',
-          raw: 'Bytes',
-          s: 'U256',
-          standard_v: 'U256',
-          to: 'Option<H160>',
-          transaction_index: 'Option<U256>',
-          v: 'U256',
-          value: 'U256'
-        },
-        TransactionStatus: {
-          transaction_hash: 'H256',
-          transaction_index: 'u32',
-          from: 'H160',
-          to: 'Option<H160>',
-          contract_address: 'Option<H160>',
-          logs: 'Vec<Log>',
-          logs_bloom: 'Bloom'
-        },
-        Receipt: {
-          transaction_hash: 'Option<H256>',
-          transaction_index: 'Option<U256>',
-          block_hash: 'Option<H256>',
-          from: 'Option<H160>',
-          to: 'Option<H160>',
-          block_number: 'Option<U256>',
-          cumulative_gas_used: 'U256',
-          gas_used: 'Option<U256>',
-          contract_address: 'Option<H160>',
-          logs: 'Vec<Log>',
-          state_root: 'Option<H256>',
-          logs_bloom: 'H2048',
-          status_code: 'Option<U64>'
-        },
         ExitReason: {
           _enum: {
             ExitSucceed: 'bool',
@@ -96,58 +41,6 @@ export default {
           nonce: 'U256',
           balance: 'u128'
         },
-        TransactionCondition: {
-          _enum: {
-            block: 'u64',
-            time: 'u64'
-          }
-        },
-        Transaction: {
-          block_hash: 'Option<H256>',
-          block_number: 'Option<U256>',
-          chain_id: 'Option<u64>',
-          condition: 'Option<TransactionCondition>',
-          creates: 'Option<H160>',
-          from: 'H160',
-          gas: 'U256',
-          gas_price: 'U256',
-          hash: 'H256',
-          input: 'Bytes',
-          nonce: 'U256',
-          public_key: 'Option<H512>',
-          r: 'U256',
-          raw: 'Bytes',
-          s: 'U256',
-          standard_v: 'U256',
-          to: 'Option<H160>',
-          transaction_index: 'Option<U256>',
-          v: 'U256',
-          value: 'U256'
-        },
-        TransactionStatus: {
-          transaction_hash: 'H256',
-          transaction_index: 'u32',
-          from: 'H160',
-          to: 'Option<H160>',
-          contract_address: 'Option<H160>',
-          logs: 'Vec<Log>',
-          logs_bloom: 'Bloom'
-        },
-        Receipt: {
-          transaction_hash: 'Option<H256>',
-          transaction_index: 'Option<U256>',
-          block_hash: 'Option<H256>',
-          from: 'Option<H160>',
-          to: 'Option<H160>',
-          block_number: 'Option<U256>',
-          cumulative_gas_used: 'U256',
-          gas_used: 'Option<U256>',
-          contract_address: 'Option<H160>',
-          logs: 'Vec<Log>',
-          state_root: 'Option<H256>',
-          logs_bloom: 'H2048',
-          status_code: 'Option<U64>'
-        },
         ExitReason: {
           _enum: {
             Succeed: 'ExitSucceed',
@@ -202,59 +95,6 @@ export default {
           balance: 'u128'
         },
         ExtrinsicSignature: 'EthereumSignature',
-        EthereumSignature: '[u8; 65]',
-        TransactionCondition: {
-          _enum: {
-            block: 'u64',
-            time: 'u64'
-          }
-        },
-        Transaction: {
-          block_hash: 'Option<H256>',
-          block_number: 'Option<U256>',
-          chain_id: 'Option<u64>',
-          condition: 'Option<TransactionCondition>',
-          creates: 'Option<H160>',
-          from: 'H160',
-          gas: 'U256',
-          gas_price: 'U256',
-          hash: 'H256',
-          input: 'Bytes',
-          nonce: 'U256',
-          public_key: 'Option<H512>',
-          r: 'U256',
-          raw: 'Bytes',
-          s: 'U256',
-          standard_v: 'U256',
-          to: 'Option<H160>',
-          transaction_index: 'Option<U256>',
-          v: 'U256',
-          value: 'U256'
-        },
-        TransactionStatus: {
-          transaction_hash: 'H256',
-          transaction_index: 'u32',
-          from: 'H160',
-          to: 'Option<H160>',
-          contract_address: 'Option<H160>',
-          logs: 'Vec<Log>',
-          logs_bloom: 'Bloom'
-        },
-        Receipt: {
-          transaction_hash: 'Option<H256>',
-          transaction_index: 'Option<U256>',
-          block_hash: 'Option<H256>',
-          from: 'Option<H160>',
-          to: 'Option<H160>',
-          block_number: 'Option<U256>',
-          cumulative_gas_used: 'U256',
-          gas_used: 'Option<U256>',
-          contract_address: 'Option<H160>',
-          logs: 'Vec<Log>',
-          state_root: 'Option<H256>',
-          logs_bloom: 'H2048',
-          status_code: 'Option<U64>'
-        },
         ExitReason: {
           _enum: {
             Succeed: 'ExitSucceed',
diff --git a/packages/apps-electron/package.json b/packages/apps-electron/package.json
index ad06229f87..ed131d2518 100644
--- a/packages/apps-electron/package.json
+++ b/packages/apps-electron/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "@babel/core": "^7.12.10",
     "@babel/polyfill": "^7.12.1",
-    "@polkadot/dev": "^0.61.13",
+    "@polkadot/dev": "^0.61.15",
     "@polkadot/react-components": "^0.72.2-4",
     "electron-log": "^4.3.0",
     "electron-updater": "^4.3.5"
diff --git a/packages/apps/package.json b/packages/apps/package.json
index 9f84e59fd5..b6a0dd43b6 100644
--- a/packages/apps/package.json
+++ b/packages/apps/package.json
@@ -16,7 +16,7 @@
     "@babel/runtime": "^7.12.5",
     "@polkadot/apps-config": "^0.72.2-4",
     "@polkadot/apps-routing": "^0.72.2-4",
-    "@polkadot/dev": "^0.61.13",
+    "@polkadot/dev": "^0.61.15",
     "@polkadot/react-api": "^0.72.2-4",
     "@polkadot/react-components": "^0.72.2-4",
     "@polkadot/react-hooks": "^0.72.2-4",
diff --git a/packages/page-contracts/package.json b/packages/page-contracts/package.json
index 29f67f5362..c71d26f831 100644
--- a/packages/page-contracts/package.json
+++ b/packages/page-contracts/package.json
@@ -10,6 +10,6 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api-contract": "^3.1.2-2"
+    "@polkadot/api-contract": "^3.1.2-6"
   }
 }
diff --git a/packages/react-api/package.json b/packages/react-api/package.json
index eb8d2ca6fa..bfc563eacc 100644
--- a/packages/react-api/package.json
+++ b/packages/react-api/package.json
@@ -15,9 +15,9 @@
   "homepage": "https://github.com/polkadot-js/apps/tree/master/packages/react-api#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "^3.1.2-2",
+    "@polkadot/api": "^3.1.2-6",
     "@polkadot/extension-dapp": "^0.35.2-19",
-    "@polkadot/x-rxjs": "^3.1.2-2",
+    "@polkadot/x-rxjs": "^3.1.2-6",
     "fflate": "^0.4.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index d7d773101b..a7d3070add 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1941,54 +1941,54 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/api-contract@npm:^3.1.2-2":
-  version: 3.1.2-2
-  resolution: "@polkadot/api-contract@npm:3.1.2-2"
+"@polkadot/api-contract@npm:^3.1.2-6":
+  version: 3.1.2-6
+  resolution: "@polkadot/api-contract@npm:3.1.2-6"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 3.1.2-2
-    "@polkadot/types": 3.1.2-2
+    "@polkadot/api": 3.1.2-6
+    "@polkadot/types": 3.1.2-6
     "@polkadot/util": ^5.1.1
-    "@polkadot/x-rxjs": 3.1.2-2
+    "@polkadot/x-rxjs": 3.1.2-6
     bn.js: ^4.11.9
-  checksum: a7bff4d48c0749cf90d00c8a357b17dc6c2cf40f6614ef5be54a84c95318ee493dfd3925c083ccb0b0ce94c7cd7ca8ae0d60d5e9b07b4bd76d6bfaf260d8e8af
+  checksum: bc0e2f003e3f9f2f35737fde72ccf93b4f30666c27739bfe3f34afd5cb3b5d01cf57733a19ba1bc6993bb5686fba15d5531e7469987ae3ca272bc14d48cfe02e
   languageName: node
   linkType: hard
 
-"@polkadot/api-derive@npm:3.1.2-2":
-  version: 3.1.2-2
-  resolution: "@polkadot/api-derive@npm:3.1.2-2"
+"@polkadot/api-derive@npm:3.1.2-6":
+  version: 3.1.2-6
+  resolution: "@polkadot/api-derive@npm:3.1.2-6"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 3.1.2-2
-    "@polkadot/rpc-core": 3.1.2-2
-    "@polkadot/types": 3.1.2-2
+    "@polkadot/api": 3.1.2-6
+    "@polkadot/rpc-core": 3.1.2-6
+    "@polkadot/types": 3.1.2-6
     "@polkadot/util": ^5.1.1
     "@polkadot/util-crypto": ^5.1.1
-    "@polkadot/x-rxjs": 3.1.2-2
+    "@polkadot/x-rxjs": 3.1.2-6
     bn.js: ^4.11.9
-  checksum: 1da0f3c4528ed0001b7d34914a06c354f3b0d3bf16ec7c6a8c397639cd95c6e0252eeb570be4c047afbd82aab08b1ec39b16429531f84c928ff166847dba00ef
+  checksum: b83e0a54684c91639ce56ed360f5445b9560fafd738e8790904432a03c2d9e84a70ed7a6c7db634ce0ad1c16fd544f7e79c6d1b1d76d4f70bf635dd3a07023a9
   languageName: node
   linkType: hard
 
-"@polkadot/api@npm:^3.1.2-2":
-  version: 3.1.2-2
-  resolution: "@polkadot/api@npm:3.1.2-2"
+"@polkadot/api@npm:^3.1.2-6":
+  version: 3.1.2-6
+  resolution: "@polkadot/api@npm:3.1.2-6"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api-derive": 3.1.2-2
+    "@polkadot/api-derive": 3.1.2-6
     "@polkadot/keyring": ^5.1.1
-    "@polkadot/metadata": 3.1.2-2
-    "@polkadot/rpc-core": 3.1.2-2
-    "@polkadot/rpc-provider": 3.1.2-2
-    "@polkadot/types": 3.1.2-2
-    "@polkadot/types-known": 3.1.2-2
+    "@polkadot/metadata": 3.1.2-6
+    "@polkadot/rpc-core": 3.1.2-6
+    "@polkadot/rpc-provider": 3.1.2-6
+    "@polkadot/types": 3.1.2-6
+    "@polkadot/types-known": 3.1.2-6
     "@polkadot/util": ^5.1.1
     "@polkadot/util-crypto": ^5.1.1
-    "@polkadot/x-rxjs": 3.1.2-2
+    "@polkadot/x-rxjs": 3.1.2-6
     bn.js: ^4.11.9
     eventemitter3: ^4.0.7
-  checksum: 3ec93623b99f77ddc9e4222205a903ac6ab47d1db33ba5590eeb0e798cb43179f40f4304e43881949fb94b8d257995c8610d2541b26f72e5a10fccdad6db3a9d
+  checksum: b091fca15565d311d8b1c4a896008d3b5d1b7267e72825c41d495c2519e66e44e8719b4a06b53611363fcceb6b1651088169d4b32310b4678977cf0c68ae108a
   languageName: node
   linkType: hard
 
@@ -2053,7 +2053,7 @@ __metadata:
   resolution: "@polkadot/app-contracts@workspace:packages/page-contracts"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api-contract": ^3.1.2-2
+    "@polkadot/api-contract": ^3.1.2-6
   languageName: unknown
   linkType: soft
 
@@ -2244,7 +2244,7 @@ __metadata:
   dependencies:
     "@babel/core": ^7.12.10
     "@babel/polyfill": ^7.12.1
-    "@polkadot/dev": ^0.61.13
+    "@polkadot/dev": ^0.61.15
     "@polkadot/react-components": ^0.72.2-4
     "@types/react-dom": ^17.0.0
     "@types/tmp": ^0.2.0
@@ -2278,7 +2278,7 @@ __metadata:
     "@babel/runtime": ^7.12.5
     "@polkadot/apps-config": ^0.72.2-4
     "@polkadot/apps-routing": ^0.72.2-4
-    "@polkadot/dev": ^0.61.13
+    "@polkadot/dev": ^0.61.15
     "@polkadot/react-api": ^0.72.2-4
     "@polkadot/react-components": ^0.72.2-4
     "@polkadot/react-hooks": ^0.72.2-4
@@ -2312,9 +2312,9 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/dev@npm:^0.61.13":
-  version: 0.61.13
-  resolution: "@polkadot/dev@npm:0.61.13"
+"@polkadot/dev@npm:^0.61.15":
+  version: 0.61.15
+  resolution: "@polkadot/dev@npm:0.61.15"
   dependencies:
     "@babel/cli": ^7.12.10
     "@babel/core": ^7.12.10
@@ -2338,8 +2338,8 @@ __metadata:
     "@babel/register": ^7.12.10
     "@babel/runtime": ^7.12.5
     "@rushstack/eslint-patch": ^1.0.6
-    "@typescript-eslint/eslint-plugin": 4.10.0
-    "@typescript-eslint/parser": 4.10.0
+    "@typescript-eslint/eslint-plugin": 4.11.0
+    "@typescript-eslint/parser": 4.11.0
     "@vue/component-compiler-utils": ^3.2.0
     babel-jest: ^26.6.3
     babel-plugin-module-extension-resolver: ^1.0.0-rc.1
@@ -2348,7 +2348,7 @@ __metadata:
     browserslist: ^4.16.0
     chalk: ^4.1.0
     coveralls: ^3.1.0
-    eslint: ^7.15.0
+    eslint: ^7.16.0
     eslint-config-standard: ^16.0.2
     eslint-import-resolver-node: ^0.3.4
     eslint-plugin-header: ^3.1.0
@@ -2401,7 +2401,7 @@ __metadata:
     polkadot-exec-typedoc: scripts/polkadot-exec-typedoc.cjs
     polkadot-exec-vuepress: scripts/polkadot-exec-vuepress.cjs
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.cjs
-  checksum: 2a38bf5128ec843c3cd61592d2840aa5af24f2dffbbc5553f59fa54c108b48b81bbf6df25c434d1fd5cd050358d103fd861742ce4435f60ec44a03910161c500
+  checksum: 694135df6806ef9d0fa89af815d4a5ef9c1f50083d8da0b689e2ccff9838e097f29617e371dae83bf8377a38229ec9a9ef0c3721deb3fe982b4e0e8fb4fdceb0
   languageName: node
   linkType: hard
 
@@ -2472,17 +2472,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@npm:3.1.2-2":
-  version: 3.1.2-2
-  resolution: "@polkadot/metadata@npm:3.1.2-2"
+"@polkadot/metadata@npm:3.1.2-6":
+  version: 3.1.2-6
+  resolution: "@polkadot/metadata@npm:3.1.2-6"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/types": 3.1.2-2
-    "@polkadot/types-known": 3.1.2-2
+    "@polkadot/types": 3.1.2-6
+    "@polkadot/types-known": 3.1.2-6
     "@polkadot/util": ^5.1.1
     "@polkadot/util-crypto": ^5.1.1
     bn.js: ^4.11.9
-  checksum: 52f561a85cc36c34f6201f31b51892d30df12373a3a05d06878686212fd55c45eaa2e97c60ab37808c3a77d0a057818dbcd59d41aec0e54e95fdf84e509dded0
+  checksum: da8c00fb66d3dd3d42088e4a0fb08d1bd0b14b21283869786570739e4ba37538daa92a6ee511c98940f404f3b705ab6031e6248692640ca9d84146c6e0550f80
   languageName: node
   linkType: hard
 
@@ -2500,9 +2500,9 @@ __metadata:
   resolution: "@polkadot/react-api@workspace:packages/react-api"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": ^3.1.2-2
+    "@polkadot/api": ^3.1.2-6
     "@polkadot/extension-dapp": ^0.35.2-19
-    "@polkadot/x-rxjs": ^3.1.2-2
+    "@polkadot/x-rxjs": ^3.1.2-6
     fflate: ^0.4.2
   languageName: unknown
   linkType: soft
@@ -2631,33 +2631,33 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-core@npm:3.1.2-2":
-  version: 3.1.2-2
-  resolution: "@polkadot/rpc-core@npm:3.1.2-2"
+"@polkadot/rpc-core@npm:3.1.2-6":
+  version: 3.1.2-6
+  resolution: "@polkadot/rpc-core@npm:3.1.2-6"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/metadata": 3.1.2-2
-    "@polkadot/rpc-provider": 3.1.2-2
-    "@polkadot/types": 3.1.2-2
+    "@polkadot/metadata": 3.1.2-6
+    "@polkadot/rpc-provider": 3.1.2-6
+    "@polkadot/types": 3.1.2-6
     "@polkadot/util": ^5.1.1
-    "@polkadot/x-rxjs": 3.1.2-2
-  checksum: 66cea5f66c03db94b94d30d608ee2a9d91bfb94c33592ae2dbe2cc30ac9b084b85cc2d2df29ec5a31845449d2037d416bae68c4dfd537ed3b6bde52069fb4b64
+    "@polkadot/x-rxjs": 3.1.2-6
+  checksum: ce9e1aa627b6fbf3a0be526e67a73c69817abe32c8e762bee5cc24c53061482d8e729841d780e1907a6650d098f14de33b3d6e7a199503e3a6a6b979ec6b8f6f
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-provider@npm:3.1.2-2":
-  version: 3.1.2-2
-  resolution: "@polkadot/rpc-provider@npm:3.1.2-2"
+"@polkadot/rpc-provider@npm:3.1.2-6":
+  version: 3.1.2-6
+  resolution: "@polkadot/rpc-provider@npm:3.1.2-6"
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