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diff --git a/.yarn/cache/@polkadot-types-support-npm-11.0.2-fad6407f07-2f427c67b2.zip b/.yarn/cache/@polkadot-types-support-npm-11.2.1-0177b2f2b5-e94b3d3773.zip
similarity index 83%
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diff --git a/lerna.json b/lerna.json
index fc373a14..795f4b75 100644
--- a/lerna.json
+++ b/lerna.json
@@ -6,5 +6,5 @@
   "publishConfig": {
     "directory": "build"
   },
-  "version": "0.14.1"
+  "version": "0.14.2-alpha.0"
 }
diff --git a/package.json b/package.json
index 5cfc212b..a5c3720a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@babel/runtime": "^7.18.9",
     "@babel/types": "^7.22.5",
     "@polkadot/dev": "^0.75.22",
-    "@polkadot/types": "^11.0.2",
+    "@polkadot/types": "^11.2.1",
     "@types/jest": "^28.1.7",
     "@types/websocket": "^1.0.10",
     "jest": "^29.5.0",
diff --git a/packages/node-api/package.json b/packages/node-api/package.json
index 3d680904..04c4c1e2 100644
--- a/packages/node-api/package.json
+++ b/packages/node-api/package.json
@@ -18,11 +18,11 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "0.14.1",
+  "version": "0.14.2-alpha.0",
   "main": "index.js",
   "dependencies": {
-    "@encointer/types": "^0.14.1",
-    "@polkadot/api": "^11.0.2",
+    "@encointer/types": "^0.14.2-alpha.0",
+    "@polkadot/api": "^11.2.1",
     "tslib": "^2.6.2"
   },
   "devDependencies": {
diff --git a/packages/types/package.json b/packages/types/package.json
index 75d48947..9e664f77 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -18,20 +18,20 @@
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   "sideEffects": false,
   "type": "module",
-  "version": "0.14.1",
+  "version": "0.14.2-alpha.0",
   "main": "index.js",
   "scripts": {
     "generate:defs": "node --experimental-specifier-resolution=node --loader ts-node/esm  ../../node_modules/.bin/polkadot-types-from-defs --package @encointer/types/interfaces  --input ./src/interfaces",
     "generate:meta": "node --experimental-specifier-resolution=node --loader ts-node/esm  ../../node_modules/.bin/polkadot-types-from-chain --endpoint wss://kusama.api.encointer.org --output ./src/interfaces"
   },
   "dependencies": {
-    "@polkadot/api": "^11.0.2",
-    "@polkadot/types": "^11.0.2",
-    "@polkadot/types-codec": "^11.0.2",
+    "@polkadot/api": "^11.2.1",
+    "@polkadot/types": "^11.2.1",
+    "@polkadot/types-codec": "^11.2.1",
     "@polkadot/util": "^12.6.2"
   },
   "devDependencies": {
-    "@polkadot/typegen": "11.0.2",
+    "@polkadot/typegen": "11.2.1",
     "@types/node": "^20.3.1",
     "ts-node": "10.9.2",
     "typescript": "5.4.5"
diff --git a/packages/util/package.json b/packages/util/package.json
index 94458e26..71d3bae5 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -20,7 +20,7 @@
   "sideEffects": false,
   "type": "module",
   "types": "./index.d.ts",
-  "version": "0.14.1",
+  "version": "0.14.2-alpha.0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.18.9",
diff --git a/packages/worker-api/package.json b/packages/worker-api/package.json
index c3d9d429..9e70f147 100644
--- a/packages/worker-api/package.json
+++ b/packages/worker-api/package.json
@@ -19,16 +19,16 @@
   "sideEffects": false,
   "type": "module",
   "types": "./index.d.ts",
-  "version": "0.14.1",
+  "version": "0.14.2-alpha.0",
   "main": "index.js",
   "dependencies": {
-    "@encointer/node-api": "^0.14.1",
-    "@encointer/types": "^0.14.1",
-    "@encointer/util": "^0.14.1",
+    "@encointer/node-api": "^0.14.2-alpha.0",
+    "@encointer/types": "^0.14.2-alpha.0",
+    "@encointer/util": "^0.14.2-alpha.0",
     "@peculiar/webcrypto": "^1.4.6",
-    "@polkadot/api": "^11.0.2",
+    "@polkadot/api": "^11.2.1",
     "@polkadot/keyring": "^12.6.2",
-    "@polkadot/types": "^11.0.2",
+    "@polkadot/types": "^11.2.1",
     "@polkadot/util": "^12.6.2",
     "@polkadot/util-crypto": "^12.6.2",
     "@polkadot/wasm-crypto": "^7.3.2",
diff --git a/yarn.lock b/yarn.lock
index a524201c..56906d73 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -755,25 +755,25 @@ __metadata:
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-"@encointer/node-api@npm:^0.14.1, @encointer/node-api@workspace:packages/node-api":
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   version: 0.0.0-use.local
   resolution: "@encointer/node-api@workspace:packages/node-api"
   dependencies:
-    "@encointer/types": "npm:^0.14.1"
-    "@polkadot/api": "npm:^11.0.2"
+    "@encointer/types": "npm:^0.14.2-alpha.0"
+    "@polkadot/api": "npm:^11.2.1"
     "@polkadot/util-crypto": "npm:^12.6.2"
     tslib: "npm:^2.6.2"
   languageName: unknown
   linkType: soft
 
-"@encointer/types@npm:^0.14.1, @encointer/types@workspace:packages/types":
+"@encointer/types@npm:^0.14.2-alpha.0, @encointer/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@encointer/types@workspace:packages/types"
   dependencies:
-    "@polkadot/api": "npm:^11.0.2"
-    "@polkadot/typegen": "npm:11.0.2"
-    "@polkadot/types": "npm:^11.0.2"
-    "@polkadot/types-codec": "npm:^11.0.2"
+    "@polkadot/api": "npm:^11.2.1"
+    "@polkadot/typegen": "npm:11.2.1"
+    "@polkadot/types": "npm:^11.2.1"
+    "@polkadot/types-codec": "npm:^11.2.1"
     "@polkadot/util": "npm:^12.6.2"
     "@types/node": "npm:^20.3.1"
     ts-node: "npm:10.9.2"
@@ -781,7 +781,7 @@ __metadata:
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   linkType: soft
 
-"@encointer/util@npm:^0.14.1, @encointer/util@workspace:packages/util":
+"@encointer/util@npm:^0.14.2-alpha.0, @encointer/util@workspace:packages/util":
   version: 0.0.0-use.local
   resolution: "@encointer/util@workspace:packages/util"
   dependencies:
@@ -798,13 +798,13 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@encointer/worker-api@workspace:packages/worker-api"
   dependencies:
-    "@encointer/node-api": "npm:^0.14.1"
-    "@encointer/types": "npm:^0.14.1"
-    "@encointer/util": "npm:^0.14.1"
+    "@encointer/node-api": "npm:^0.14.2-alpha.0"
+    "@encointer/types": "npm:^0.14.2-alpha.0"
+    "@encointer/util": "npm:^0.14.2-alpha.0"
     "@peculiar/webcrypto": "npm:^1.4.6"
-    "@polkadot/api": "npm:^11.0.2"
+    "@polkadot/api": "npm:^11.2.1"
     "@polkadot/keyring": "npm:^12.6.2"
-    "@polkadot/types": "npm:^11.0.2"
+    "@polkadot/types": "npm:^11.2.1"
     "@polkadot/util": "npm:^12.6.2"
     "@polkadot/util-crypto": "npm:^12.6.2"
     "@polkadot/wasm-crypto": "npm:^7.3.2"
@@ -1965,74 +1965,74 @@ __metadata:
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-  version: 11.0.2
-  resolution: "@polkadot/api-augment@npm:11.0.2"
+"@polkadot/api-augment@npm:11.2.1":
+  version: 11.2.1
+  resolution: "@polkadot/api-augment@npm:11.2.1"
   dependencies:
-    "@polkadot/api-base": "npm:11.0.2"
-    "@polkadot/rpc-augment": "npm:11.0.2"
-    "@polkadot/types": "npm:11.0.2"
-    "@polkadot/types-augment": "npm:11.0.2"
-    "@polkadot/types-codec": "npm:11.0.2"
+    "@polkadot/api-base": "npm:11.2.1"
+    "@polkadot/rpc-augment": "npm:11.2.1"
+    "@polkadot/types": "npm:11.2.1"
+    "@polkadot/types-augment": "npm:11.2.1"
+    "@polkadot/types-codec": "npm:11.2.1"
     "@polkadot/util": "npm:^12.6.2"
     tslib: "npm:^2.6.2"
-  checksum: 10/1d0f14149e3c9c972abf45260af44a2a23a7fa0085c0db8039bcd909c1df36c49eb31ab5257a95cf70fb76d36a26a35635a26895a5bc7e4198a1872bd1f38dae
+  checksum: 10/8b05fd2760e9c50cdf20c0e6e76351b58354086a3a5e773fcb9a3979de43147497a0273c09c014406279bcecabbdcc78f81a07b3cb938bad7fe46d48a44117dc
   languageName: node
   linkType: hard
 
-"@polkadot/api-base@npm:11.0.2":
-  version: 11.0.2
-  resolution: "@polkadot/api-base@npm:11.0.2"
+"@polkadot/api-base@npm:11.2.1":
+  version: 11.2.1
+  resolution: "@polkadot/api-base@npm:11.2.1"
   dependencies:
-    "@polkadot/rpc-core": "npm:11.0.2"
-    "@polkadot/types": "npm:11.0.2"
+    "@polkadot/rpc-core": "npm:11.2.1"
+    "@polkadot/types": "npm:11.2.1"
     "@polkadot/util": "npm:^12.6.2"
     rxjs: "npm:^7.8.1"
     tslib: "npm:^2.6.2"
-  checksum: 10/c38cdd603ae8015487b1b90459295ac1403a88a69848948696943db7c7429ceaec95a5dc9065d2f050a7373c2f448f106903966ab345ee8f03f2f9eee035f929
+  checksum: 10/a8b746e983807fa0dae9d2bec4772bb2d76eee614f9fe4d243e6d232a406c01562a860745ad0b11b0742ec73e6e98520ef6190ade9384834b530ef151fb83718
   languageName: node
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-"@polkadot/api-derive@npm:11.0.2":
-  version: 11.0.2
-  resolution: "@polkadot/api-derive@npm:11.0.2"
-  dependencies:
-    "@polkadot/api": "npm:11.0.2"
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