diff --git a/package.json b/package.json
index 285c32bf84..6aa9028454 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "@babel/register": "^7.14.5",
     "@babel/runtime": "^7.14.6",
     "@polkadot/dev": "^0.62.43",
-    "@polkadot/ts": "^0.3.91",
+    "@polkadot/ts": "^0.4.1",
     "@polkadot/typegen": "workspace:packages/typegen",
     "@types/jest": "^26.0.23",
     "copyfiles": "^2.4.1"
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index e565858b07..d53b025116 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -22,7 +22,7 @@
     "@babel/runtime": "^7.14.6",
     "@polkadot/api": "4.15.2-5",
     "@polkadot/types": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/x-rxjs": "^6.9.1"
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/x-rxjs": "^6.9.2-9"
   }
 }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 650b4ce7f9..a37a207a21 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -23,12 +23,12 @@
     "@polkadot/api": "4.15.2-5",
     "@polkadot/rpc-core": "4.15.2-5",
     "@polkadot/types": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/util-crypto": "^6.9.1",
-    "@polkadot/x-rxjs": "^6.9.1"
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/util-crypto": "^6.9.2-9",
+    "@polkadot/x-rxjs": "^6.9.2-9"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.9.1",
+    "@polkadot/keyring": "^6.9.2-9",
     "@polkadot/rpc-provider": "4.15.2-5"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index f8e3d0f744..98cd938d8c 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -21,15 +21,15 @@
   "dependencies": {
     "@babel/runtime": "^7.14.6",
     "@polkadot/api-derive": "4.15.2-5",
-    "@polkadot/keyring": "^6.9.1",
+    "@polkadot/keyring": "^6.9.2-9",
     "@polkadot/metadata": "4.15.2-5",
     "@polkadot/rpc-core": "4.15.2-5",
     "@polkadot/rpc-provider": "4.15.2-5",
     "@polkadot/types": "4.15.2-5",
     "@polkadot/types-known": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/util-crypto": "^6.9.1",
-    "@polkadot/x-rxjs": "^6.9.1",
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/util-crypto": "^6.9.2-9",
+    "@polkadot/x-rxjs": "^6.9.2-9",
     "eventemitter3": "^4.0.7"
   }
 }
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 3dfe488256..42dacbb264 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -22,10 +22,10 @@
     "@babel/runtime": "^7.14.6",
     "@polkadot/types": "4.15.2-5",
     "@polkadot/types-known": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/util-crypto": "^6.9.1"
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/util-crypto": "^6.9.2-9"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.9.1"
+    "@polkadot/keyring": "^6.9.2-9"
   }
 }
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 8445c04264..8948b29101 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -23,10 +23,10 @@
     "@polkadot/metadata": "4.15.2-5",
     "@polkadot/rpc-provider": "4.15.2-5",
     "@polkadot/types": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/x-rxjs": "^6.9.1"
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/x-rxjs": "^6.9.2-9"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.9.1"
+    "@polkadot/keyring": "^6.9.2-9"
   }
 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index c29b171fee..1290326c4e 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -21,15 +21,15 @@
   "dependencies": {
     "@babel/runtime": "^7.14.6",
     "@polkadot/types": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/util-crypto": "^6.9.1",
-    "@polkadot/x-fetch": "^6.9.1",
-    "@polkadot/x-global": "^6.9.1",
-    "@polkadot/x-ws": "^6.9.1",
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/util-crypto": "^6.9.2-9",
+    "@polkadot/x-fetch": "^6.9.2-9",
+    "@polkadot/x-global": "^6.9.2-9",
+    "@polkadot/x-ws": "^6.9.2-9",
     "eventemitter3": "^4.0.7"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.9.1",
+    "@polkadot/keyring": "^6.9.2-9",
     "@polkadot/metadata": "4.15.2-5",
     "mock-socket": "^9.0.3",
     "nock": "^13.1.0"
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 04f8e6eacb..ed0ab412d3 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -33,7 +33,7 @@
     "@polkadot/metadata": "4.15.2-5",
     "@polkadot/rpc-provider": "4.15.2-5",
     "@polkadot/types": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
+    "@polkadot/util": "^6.9.2-9",
     "handlebars": "^4.7.7",
     "websocket": "^1.0.34",
     "yargs": "^17.0.1"
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 2a36875f2d..dacdbc97ee 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -20,8 +20,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-known#readme",
   "dependencies": {
     "@babel/runtime": "^7.14.6",
-    "@polkadot/networks": "^6.9.1",
+    "@polkadot/networks": "^6.9.2-9",
     "@polkadot/types": "4.15.2-5",
-    "@polkadot/util": "^6.9.1"
+    "@polkadot/util": "^6.9.2-9"
   }
 }
diff --git a/packages/types/package.json b/packages/types/package.json
index 2469293d83..d09c7fa49b 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -21,12 +21,12 @@
   "dependencies": {
     "@babel/runtime": "^7.14.6",
     "@polkadot/metadata": "4.15.2-5",
-    "@polkadot/util": "^6.9.1",
-    "@polkadot/util-crypto": "^6.9.1",
-    "@polkadot/x-rxjs": "^6.9.1"
+    "@polkadot/util": "^6.9.2-9",
+    "@polkadot/util-crypto": "^6.9.2-9",
+    "@polkadot/x-rxjs": "^6.9.2-9"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.9.1",
+    "@polkadot/keyring": "^6.9.2-9",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^4.11.9"
   }
diff --git a/packages/types/src/codec/Struct.ts b/packages/types/src/codec/Struct.ts
index 6d58ea439c..665c7694a4 100644
--- a/packages/types/src/codec/Struct.ts
+++ b/packages/types/src/codec/Struct.ts
@@ -99,7 +99,7 @@ function decodeStructFromObject <T> (registry: Registry, Types: ConstructorDef,
  */
 function decodeStruct <T> (registry: Registry, Types: ConstructorDef, value: unknown, jsonMap: Map<any, string>): T {
   if (isHex(value)) {
-    return decodeStruct(registry, Types, hexToU8a(value.toString()), jsonMap);
+    return decodeStruct(registry, Types, hexToU8a(value), jsonMap);
   } else if (isU8a(value)) {
     const keys = Object.keys(Types);
     const values = decodeU8a(registry, value, Object.values(Types), keys);
diff --git a/packages/types/src/create/createType.ts b/packages/types/src/create/createType.ts
index 45d989434a..56f4a7310d 100644
--- a/packages/types/src/create/createType.ts
+++ b/packages/types/src/create/createType.ts
@@ -40,7 +40,7 @@ function initType<T extends Codec = Codec, K extends string = string> (registry:
     if (isU8a(value)) {
       checkInstance(value, created);
     } else if (isHex(value)) {
-      checkInstance(u8aToU8a(value.toString()), created);
+      checkInstance(u8aToU8a(value), created);
     }
   }
 
diff --git a/packages/types/src/ethereum/AccountId.ts b/packages/types/src/ethereum/AccountId.ts
index 372183a22c..683a458f18 100644
--- a/packages/types/src/ethereum/AccountId.ts
+++ b/packages/types/src/ethereum/AccountId.ts
@@ -13,9 +13,9 @@ function decodeAccountId (value: AnyU8a | AnyString): AnyU8a {
   if (isU8a(value) || Array.isArray(value)) {
     return u8aToU8a(value);
   } else if (isHex(value) || isEthereumAddress(value)) {
-    return hexToU8a(value.toString());
+    return hexToU8a(value);
   } else if (isString(value)) {
-    return u8aToU8a((value as string).toString());
+    return u8aToU8a(value);
   }
 
   return value;
diff --git a/packages/types/src/generic/AccountId.ts b/packages/types/src/generic/AccountId.ts
index c740342577..efe82f71b1 100644
--- a/packages/types/src/generic/AccountId.ts
+++ b/packages/types/src/generic/AccountId.ts
@@ -14,10 +14,10 @@ function decodeAccountId (value?: AnyU8a | AnyString): Uint8Array {
     return new Uint8Array();
   } else if (isU8a(value) || Array.isArray(value)) {
     return u8aToU8a(value);
+  } else if (isHex(value)) {
+    return hexToU8a(value);
   } else if (isString(value)) {
-    return isHex(value)
-      ? hexToU8a(value.toString())
-      : decodeAddress((value as string).toString());
+    return decodeAddress(value);
   }
 
   throw new Error(`Unknown type passed to AccountId constructor, found typeof ${typeof value}`);
diff --git a/packages/types/src/generic/Call.ts b/packages/types/src/generic/Call.ts
index 68d0791cd0..322f863e61 100644
--- a/packages/types/src/generic/Call.ts
+++ b/packages/types/src/generic/Call.ts
@@ -93,7 +93,7 @@ function decodeCallViaU8a (registry: Registry, value: Uint8Array, _meta?: Functi
  */
 function decodeCall (registry: Registry, value: unknown | DecodedMethod | Uint8Array | string = new Uint8Array(), _meta?: FunctionMetadataLatest): DecodedMethod {
   if (isHex(value) || isU8a(value)) {
-    return decodeCallViaU8a(registry, u8aToU8a(value as string), _meta);
+    return decodeCallViaU8a(registry, u8aToU8a(value), _meta);
   } else if (isObject(value) && value.callIndex && value.args) {
     return decodeCallViaObject(registry, value as DecodedMethod, _meta);
   }
diff --git a/packages/types/src/primitive/Text.ts b/packages/types/src/primitive/Text.ts
index d221a2878a..b97119e121 100644
--- a/packages/types/src/primitive/Text.ts
+++ b/packages/types/src/primitive/Text.ts
@@ -13,7 +13,7 @@ const MAX_LENGTH = 128 * 1024;
 /** @internal */
 function decodeText (value?: null | Text | string | AnyU8a | { toString: () => string }): string {
   if (isHex(value)) {
-    return u8aToString(hexToU8a(value.toString()));
+    return u8aToString(hexToU8a(value));
   } else if (value instanceof Uint8Array) {
     if (!value.length) {
       return '';
diff --git a/yarn.lock b/yarn.lock
index 860e7d304c..06c13b2044 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1360,7 +1360,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.13.9, @babel/runtime@npm:^7.14.5, @babel/runtime@npm:^7.14.6, @babel/runtime@npm:^7.8.4":
+"@babel/runtime@npm:^7.13.9, @babel/runtime@npm:^7.14.6, @babel/runtime@npm:^7.8.4":
   version: 7.14.6
   resolution: "@babel/runtime@npm:7.14.6"
   dependencies:
@@ -1851,8 +1851,8 @@ __metadata:
     "@babel/runtime": ^7.14.6
     "@polkadot/api": 4.15.2-5
     "@polkadot/types": 4.15.2-5
-    "@polkadot/util": ^6.9.1
-    "@polkadot/x-rxjs": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
+    "@polkadot/x-rxjs": ^6.9.2-9
   languageName: unknown
   linkType: soft
 
@@ -1862,13 +1862,13 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.14.6
     "@polkadot/api": 4.15.2-5
-    "@polkadot/keyring": ^6.9.1
+    "@polkadot/keyring": ^6.9.2-9
     "@polkadot/rpc-core": 4.15.2-5
     "@polkadot/rpc-provider": 4.15.2-5
     "@polkadot/types": 4.15.2-5
-    "@polkadot/util": ^6.9.1
-    "@polkadot/util-crypto": ^6.9.1
-    "@polkadot/x-rxjs": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
+    "@polkadot/util-crypto": ^6.9.2-9
+    "@polkadot/x-rxjs": ^6.9.2-9
   languageName: unknown
   linkType: soft
 
@@ -1878,15 +1878,15 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.14.6
     "@polkadot/api-derive": 4.15.2-5
-    "@polkadot/keyring": ^6.9.1
+    "@polkadot/keyring": ^6.9.2-9
     "@polkadot/metadata": 4.15.2-5
     "@polkadot/rpc-core": 4.15.2-5
     "@polkadot/rpc-provider": 4.15.2-5
     "@polkadot/types": 4.15.2-5
     "@polkadot/types-known": 4.15.2-5
-    "@polkadot/util": ^6.9.1
-    "@polkadot/util-crypto": ^6.9.1
-    "@polkadot/x-rxjs": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
+    "@polkadot/util-crypto": ^6.9.2-9
+    "@polkadot/x-rxjs": ^6.9.2-9
     eventemitter3: ^4.0.7
   languageName: unknown
   linkType: soft
@@ -1977,17 +1977,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/keyring@npm:^6.9.1":
-  version: 6.9.1
-  resolution: "@polkadot/keyring@npm:6.9.1"
+"@polkadot/keyring@npm:^6.9.2-9":
+  version: 6.9.2-9
+  resolution: "@polkadot/keyring@npm:6.9.2-9"
   dependencies:
-    "@babel/runtime": ^7.14.5
-    "@polkadot/util": 6.9.1
-    "@polkadot/util-crypto": 6.9.1
+    "@babel/runtime": ^7.14.6
+    "@polkadot/util": 6.9.2-9
+    "@polkadot/util-crypto": 6.9.2-9
   peerDependencies:
-    "@polkadot/util": 6.9.1
-    "@polkadot/util-crypto": 6.9.1
-  checksum: 7fd43ed3cd93b6e0ff650c1ceaa08e6dd93426b2c417cef6411b1fd4fef5e7e263c5c464b8fcd9d3efdea7ebb0630aff161b79df1d5af46f178968f0b9dc0403
+    "@polkadot/util": 6.9.2-9
+    "@polkadot/util-crypto": 6.9.2-9
+  checksum: e1802d7eaeacd65e0de0743812b58d268efc4afa333c9937aa91e4318e86c6de8f7bf0b18b0fbe7e174bec9757ce0c41d3d385a9f0575825b1f59996243dd54b
   languageName: node
   linkType: hard
 
@@ -1996,20 +1996,20 @@ __metadata:
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.14.6
-    "@polkadot/keyring": ^6.9.1
+    "@polkadot/keyring": ^6.9.2-9
     "@polkadot/types": 4.15.2-5
     "@polkadot/types-known": 4.15.2-5
-    "@polkadot/util": ^6.9.1
-    "@polkadot/util-crypto": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
+    "@polkadot/util-crypto": ^6.9.2-9
   languageName: unknown
   linkType: soft
 
-"@polkadot/networks@npm:6.9.1, @polkadot/networks@npm:^6.9.1":
-  version: 6.9.1
-  resolution: "@polkadot/networks@npm:6.9.1"
+"@polkadot/networks@npm:6.9.2-9, @polkadot/networks@npm:^6.9.2-9":
+  version: 6.9.2-9
+  resolution: "@polkadot/networks@npm:6.9.2-9"
   dependencies:
-    "@babel/runtime": ^7.14.5
-  checksum: 204fa83cef8433d4f634c98e8d638cf3c309848678b4f769f75d53687af7169b8b6c3e58552bf534daab8b5305c73c9ae036229c708aaa124f4b3e70853ba3fa
+    "@babel/runtime": ^7.14.6
+  checksum: 958e00e4111dffa36d2e8cfbc467add6ddbe61ca96a4d4be1c4f57679750b1aeb180aaf4993e178b5eeefad3c34a590a76760052609f53f658fd64c00cb2fed1
   languageName: node
   linkType: hard
 
@@ -2018,12 +2018,12 @@ __metadata:
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.14.6
-    "@polkadot/keyring": ^6.9.1
+    "@polkadot/keyring": ^6.9.2-9
     "@polkadot/metadata": 4.15.2-5
     "@polkadot/rpc-provider": 4.15.2-5
     "@polkadot/types": 4.15.2-5
-    "@polkadot/util": ^6.9.1
-    "@polkadot/x-rxjs": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
+    "@polkadot/x-rxjs": ^6.9.2-9
   languageName: unknown
   linkType: soft
 
@@ -2032,26 +2032,26 @@ __metadata:
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.14.6
-    "@polkadot/keyring": ^6.9.1
+    "@polkadot/keyring": ^6.9.2-9
     "@polkadot/metadata": 4.15.2-5
     "@polkadot/types": 4.15.2-5
-    "@polkadot/util": ^6.9.1
-    "@polkadot/util-crypto": ^6.9.1
-    "@polkadot/x-fetch": ^6.9.1
-    "@polkadot/x-global": ^6.9.1
-    "@polkadot/x-ws": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
+    "@polkadot/util-crypto": ^6.9.2-9
+    "@polkadot/x-fetch": ^6.9.2-9
+    "@polkadot/x-global": ^6.9.2-9
+    "@polkadot/x-ws": ^6.9.2-9
     eventemitter3: ^4.0.7
     mock-socket: ^9.0.3
     nock: ^13.1.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/ts@npm:^0.3.91":
-  version: 0.3.91
-  resolution: "@polkadot/ts@npm:0.3.91"
+"@polkadot/ts@npm:^0.4.1":
+  version: 0.4.1
+  resolution: "@polkadot/ts@npm:0.4.1"
   dependencies:
     "@types/chrome": ^0.0.145
-  checksum: 1ab644ebac9a1263b28f7bd21b7a2ae3243e472248e61049550849242a8ddd3643db622f41c0b82b694a273fea80ed996fba2b48d5c26232194aab4bd1ae5b6f
+  checksum: 12698097281fdaf13b627bf992dad3c700512963353dab348498d53fd980292d1e24c7406560e5e7e1b07add77fe79e430d10f5c0da643019a24783c0974e5b7
   languageName: node
   linkType: hard
 
@@ -2066,7 +2066,7 @@ __metadata:
     "@polkadot/metadata": 4.15.2-5
     "@polkadot/rpc-provider": 4.15.2-5
     "@polkadot/types": 4.15.2-5
-    "@polkadot/util": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
     "@types/websocket": ^1.0.2
     "@types/yargs": ^17.0.0
     handlebars: ^4.7.7
@@ -2086,9 +2086,9 @@ __metadata:
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.14.6
-    "@polkadot/networks": ^6.9.1
+    "@polkadot/networks": ^6.9.2-9
     "@polkadot/types": 4.15.2-5
-    "@polkadot/util": ^6.9.1
+    "@polkadot/util": ^6.9.2-9
   languageName: unknown
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