diff --git a/polkadot-js/package-lock.json b/polkadot-js/package-lock.json
index 0f4b583..6cecb85 100644
--- a/polkadot-js/package-lock.json
+++ b/polkadot-js/package-lock.json
@@ -2058,17 +2058,24 @@
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+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.2.1.tgz",
+      "integrity": "sha512-DGmGtC8Tt63J5GfHgfl5CuAXh96VF/LD8K9Hr/Gv0J2lAoRGlPOMpqMpMbCTOoOJMZCk2Xt+DskdDyn6dEFdzQ=="
     },
     "@sinclair/typebox": {
       "version": "0.24.20",
@@ -3660,9 +2678,9 @@
       "optional": true
     },
     "@substrate/connect-known-chains": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/@substrate/connect-known-chains/-/connect-known-chains-1.7.0.tgz",
-      "integrity": "sha512-Qf+alxEPmNycUyrPkXWrlFA97punnBCGxSWqiLG1CNu+jQoFYqi8x7gZYfqmdUHDY4nG1F84KHPPk7Zy4ngSfg==",
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/@substrate/connect-known-chains/-/connect-known-chains-1.8.1.tgz",
+      "integrity": "sha512-WkqXvuLWL1g136nxAoGkclybsVpo8claHeBl/8iA99ECAk4pWLtoCh8PoYrFEE1HfY4rk+A0krPybDlcDa/G4g==",
       "optional": true
     },
     "@substrate/light-client-extension-helpers": {
@@ -7298,9 +6316,9 @@
       }
     },
     "tslib": {
-      "version": "2.7.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
-      "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA=="
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
     },
     "type": {
       "version": "1.2.0",
diff --git a/polkadot-js/package.json b/polkadot-js/package.json
index 0cd085e..7e65a5c 100644
--- a/polkadot-js/package.json
+++ b/polkadot-js/package.json
@@ -21,7 +21,7 @@
     "typescript": "^4.8.2"
   },
   "dependencies": {
-    "@polkadot/api": "14.3.1",
+    "@polkadot/api": "15.0.2",
     "@polkadot/types-codec": "14.3.1",
     "ffi-napi": "^4.0.3",
     "ref-array-di": "^1.2.2",
diff --git a/polkadot-js/yarn.lock b/polkadot-js/yarn.lock
index b7fad59..1be77a6 100644
--- a/polkadot-js/yarn.lock
+++ b/polkadot-js/yarn.lock
@@ -1323,63 +1323,63 @@
   resolved "https://registry.yarnpkg.com/@polkadot-api/utils/-/utils-0.1.0.tgz#d36937cdc465c2ea302f3278cf53157340ab33a0"
   integrity sha512-MXzWZeuGxKizPx2Xf/47wx9sr/uxKw39bVJUptTJdsaQn/TGq+z310mHzf1RCGvC1diHM8f593KrnDgc9oNbJA==
 
-"@polkadot/api-augment@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-augment/-/api-augment-14.3.1.tgz#8de4ae7cda79f0ad506a3c18ebeba16207428f7f"
-  integrity sha512-PE6DW+8kRhbnGKn7qCF7yM6eEt/kqrY8bh1i0RZcPY9QgwXW4bZZrtMK4WssX6Z70NTEoOW6xHYIjc7gFZuz8g==
-  dependencies:
-    "@polkadot/api-base" "14.3.1"
-    "@polkadot/rpc-augment" "14.3.1"
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-augment" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
+"@polkadot/api-augment@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-augment/-/api-augment-15.0.2.tgz#3f6ec93fdae95b5e618df1d9c402136008bd64db"
+  integrity sha512-7qtfTihLKS7cT2kEsd8Y1+MJ+2n4Sl0y9BHuPhdNfKcDbGwCxIB7JzXNujww4Is4bF7w1lXcM2U0E/XwJi1BbQ==
+  dependencies:
+    "@polkadot/api-base" "15.0.2"
+    "@polkadot/rpc-augment" "15.0.2"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-augment" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
     "@polkadot/util" "^13.2.3"
     tslib "^2.8.0"
 
-"@polkadot/api-base@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-base/-/api-base-14.3.1.tgz#ae83cf98d273b35e718c0122b22b1a88af4d266c"
-  integrity sha512-GZT6rTpT3HYZ/C3rLPjoX3rX3DOxNG/zgts+jKjNrCumAeZkVq5JErKIX8/3f2TVaE2Kbqniy3d1TH/AL4HBPA==
+"@polkadot/api-base@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-base/-/api-base-15.0.2.tgz#8c300032e9c474780cef6730056a1ea1bb470ac5"
+  integrity sha512-5++EjpuCxzmrL2JJj511RrPK+IovuIQa8DJhyOp62VDMXPkqS/O6Df5wjYzQh/ftT1ZysftXqJAUA/LSUsH+2g==
   dependencies:
-    "@polkadot/rpc-core" "14.3.1"
-    "@polkadot/types" "14.3.1"
+    "@polkadot/rpc-core" "15.0.2"
+    "@polkadot/types" "15.0.2"
     "@polkadot/util" "^13.2.3"
     rxjs "^7.8.1"
     tslib "^2.8.0"
 
-"@polkadot/api-derive@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-derive/-/api-derive-14.3.1.tgz#86391944a0ff04b4e6d6576252db45886f9635de"
-  integrity sha512-PhqUEJCY54vXtIaoYqGUtJY06wHd/K0cBmBz9yCLxp8UZkLoGWhfJRTruI25Jnucf9awS5cZKYqbsoDrL09Oqg==
-  dependencies:
-    "@polkadot/api" "14.3.1"
-    "@polkadot/api-augment" "14.3.1"
-    "@polkadot/api-base" "14.3.1"
-    "@polkadot/rpc-core" "14.3.1"
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
+"@polkadot/api-derive@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-derive/-/api-derive-15.0.2.tgz#a79cca53874a5db36a341f995e2ce7bbf0f98a5b"
+  integrity sha512-nD8hXZxEv2/wuhjMmVP09lTAYd8inNgrLpLGUR+7hBQeVEQQTdNatkqMKpNIOk2MO46mtUK35NepvDBK9DWZzA==
+  dependencies:
+    "@polkadot/api" "15.0.2"
+    "@polkadot/api-augment" "15.0.2"
+    "@polkadot/api-base" "15.0.2"
+    "@polkadot/rpc-core" "15.0.2"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
     "@polkadot/util" "^13.2.3"
     "@polkadot/util-crypto" "^13.2.3"
     rxjs "^7.8.1"
     tslib "^2.8.0"
 
-"@polkadot/api@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/api/-/api-14.3.1.tgz#629a111283949428541db09fe38d135829e28bc4"
-  integrity sha512-ZBKSXEVJa1S1bnmpnA7KT/fX3sJDIJOdVD9Hp3X+G73yvXzuK5k1Mn5z9bD/AcMs/HAGcbuYU+b9+b9IByH9YQ==
+"@polkadot/api@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/api/-/api-15.0.2.tgz#f71b41881ffc90d4f8240fa211f1f314413cee53"
+  integrity sha512-CA8Pq2Gsz2MJvpkpIVNzaBs2eJGCr0sEodAb0vTOZW/ZlIDHcBWyWq3KXE+lBMWVzYBEC4Vz6MafNgq6Bsshlw==
   dependencies:
-    "@polkadot/api-augment" "14.3.1"
-    "@polkadot/api-base" "14.3.1"
-    "@polkadot/api-derive" "14.3.1"
+    "@polkadot/api-augment" "15.0.2"
+    "@polkadot/api-base" "15.0.2"
+    "@polkadot/api-derive" "15.0.2"
     "@polkadot/keyring" "^13.2.3"
-    "@polkadot/rpc-augment" "14.3.1"
-    "@polkadot/rpc-core" "14.3.1"
-    "@polkadot/rpc-provider" "14.3.1"
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-augment" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
-    "@polkadot/types-create" "14.3.1"
-    "@polkadot/types-known" "14.3.1"
+    "@polkadot/rpc-augment" "15.0.2"
+    "@polkadot/rpc-core" "15.0.2"
+    "@polkadot/rpc-provider" "15.0.2"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-augment" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
+    "@polkadot/types-create" "15.0.2"
+    "@polkadot/types-known" "15.0.2"
     "@polkadot/util" "^13.2.3"
     "@polkadot/util-crypto" "^13.2.3"
     eventemitter3 "^5.0.1"
@@ -1404,37 +1404,37 @@
     "@substrate/ss58-registry" "^1.51.0"
     tslib "^2.8.0"
 
-"@polkadot/rpc-augment@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/rpc-augment/-/rpc-augment-14.3.1.tgz#08aca86bbb90358c94575f1494f111ed25af2a35"
-  integrity sha512-Z8Hp8fFHwFCiTX0bBCDqCZ4U26wLIJl1NRSjJTsAr+SS68pYZBDGCwhKztpKGqndk1W1akRUaxrkGqYdIFmspQ==
+"@polkadot/rpc-augment@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/rpc-augment/-/rpc-augment-15.0.2.tgz#600660695de9f32dc6924900d41d9d6e86cc8a1a"
+  integrity sha512-of88GdzsOs15HP+Gowh4G/iKKFkCNIeF0Wes8LiONfn+j2TmWt8blbyGhrIZZeApzbFUDFjnxUPGT40uWJcMpw==
   dependencies:
-    "@polkadot/rpc-core" "14.3.1"
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
+    "@polkadot/rpc-core" "15.0.2"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
     "@polkadot/util" "^13.2.3"
     tslib "^2.8.0"
 
-"@polkadot/rpc-core@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/rpc-core/-/rpc-core-14.3.1.tgz#db80a8af15c90323c76e66f1c48fcc41988cab15"
-  integrity sha512-FV2NPhFwFxmX8LqibDcGc6IKTBqmvwr7xwF2OA60Br4cX+AQzMSVpFlfQcETll+0M+LnRhqGKGkP0EQWXaSowA==
+"@polkadot/rpc-core@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/rpc-core/-/rpc-core-15.0.2.tgz#595205050df06240defb5e860c5b5eab6f56f6a9"
+  integrity sha512-KOUnfXOAFCN0N23sEbS+FzXhX88JCvJst/nKzO9+q67NgYBEqgcaoG4tqt/VVedgkNi0kA7WAA3wyjt5UYMnrg==
   dependencies:
-    "@polkadot/rpc-augment" "14.3.1"
-    "@polkadot/rpc-provider" "14.3.1"
-    "@polkadot/types" "14.3.1"
+    "@polkadot/rpc-augment" "15.0.2"
+    "@polkadot/rpc-provider" "15.0.2"
+    "@polkadot/types" "15.0.2"
     "@polkadot/util" "^13.2.3"
     rxjs "^7.8.1"
     tslib "^2.8.0"
 
-"@polkadot/rpc-provider@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/rpc-provider/-/rpc-provider-14.3.1.tgz#a7247bd6f59c6a597fcc88c5ddb95e44296d5a66"
-  integrity sha512-NF/Z/7lzT+jp5LZzC49g+YIjRzXVI0hFag3+B+4zh6E/kKADdF59EHj2Im4LDhRGOnEO9AE4H6/UjNEbZ94JtA==
+"@polkadot/rpc-provider@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/rpc-provider/-/rpc-provider-15.0.2.tgz#865c402a7ac26301ac17c9532b875b7c48ba3be4"
+  integrity sha512-BwLP8gNskzqtQ2kMk+EX6WK4d9TU0XJ/nJg0TKC2dX5sSTpTF2JQIYp1wuOik4rKNXIU/1hKaDSSylMJj7AHeQ==
   dependencies:
     "@polkadot/keyring" "^13.2.3"
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-support" "14.3.1"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-support" "15.0.2"
     "@polkadot/util" "^13.2.3"
     "@polkadot/util-crypto" "^13.2.3"
     "@polkadot/x-fetch" "^13.2.3"
@@ -1447,13 +1447,13 @@
   optionalDependencies:
     "@substrate/connect" "0.8.11"
 
-"@polkadot/types-augment@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/types-augment/-/types-augment-14.3.1.tgz#d41c20ee51f07d5e753096509e387fa508cfd028"
-  integrity sha512-SC4M6TBlgCglNz+gRbvfoVRDz0Vyeev6v0HeAdw0H6ayEW4BXUdo5bFr0092bdS5uTrEPgiSyUry5TJs2KoXig==
+"@polkadot/types-augment@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/types-augment/-/types-augment-15.0.2.tgz#671eb7a603e1dd361a91e3c26026b8faa97dfc3f"
+  integrity sha512-UiFJVEYML30+V9GdFAHPbA3s4MVQTL1CevsZMnX0+ApvlgEHJMZnVFfYF7jL2bl9BcUYM/zoxEAhj2MpqFFfxw==
   dependencies:
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
     "@polkadot/util" "^13.2.3"
     tslib "^2.8.0"
 
@@ -1466,44 +1466,53 @@
     "@polkadot/x-bigint" "^13.2.3"
     tslib "^2.8.0"
 
-"@polkadot/types-create@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/types-create/-/types-create-14.3.1.tgz#e410ff71fce4d8d49a1411943d1a9d26f98a866d"
-  integrity sha512-F4EBvF3Zvym0xrkAA5Yz01IAVMepMV3w2Dwd0C9IygEAQ5sYLLPHmf72/aXn+Ag+bSyT2wlJHpDc+nEBXNQ3Gw==
+"@polkadot/types-codec@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/types-codec/-/types-codec-15.0.2.tgz#828242d4f66f2a9cf71e3ba1b6c02760738995c9"
+  integrity sha512-44Q40p1rl0t7Bl1QUamewqXNVPway9xgqByyifv6ODSGhtt+lFoarb3U4JzqRUuuK0PP57ePB0L8q81Totxeew==
   dependencies:
-    "@polkadot/types-codec" "14.3.1"
     "@polkadot/util" "^13.2.3"
+    "@polkadot/x-bigint" "^13.2.3"
     tslib "^2.8.0"
 
-"@polkadot/types-known@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/types-known/-/types-known-14.3.1.tgz#593976ef8926cacefdf97a3cc313a227d4489baa"
-  integrity sha512-58b3Yc7+sxwNjs8axmrA9OCgnxmEKIq7XCH2VxSgLqTeqbohVtxwUSCW/l8NPrq1nxzj4J2sopu0PPg8/++q4g==
+"@polkadot/types-create@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/types-create/-/types-create-15.0.2.tgz#11735d3852bb1eb64f072950648ea77e56f893dc"
+  integrity sha512-YhpcqbH3oI87PkgrV6Fez9jWDqFIep0KcS1YWQcwc9gsBNnuour80t2AAK41/tqAYwOZi6tpJwIevnEhVkxFYA==
+  dependencies:
+    "@polkadot/types-codec" "15.0.2"
+    "@polkadot/util" "^13.2.3"
+    tslib "^2.8.0"
+
+"@polkadot/types-known@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/types-known/-/types-known-15.0.2.tgz#466b89be84dea56608e6446ef1aaf35ee910f3d9"
+  integrity sha512-SyBo4xBoesHYiEfdW/nOgaftKgM7+puBWqQXq1Euz0MM5LDLjxBw22Srgk9ulGM6l9MsekIwCyX8geJ6/6J3Cg==
   dependencies:
     "@polkadot/networks" "^13.2.3"
-    "@polkadot/types" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
-    "@polkadot/types-create" "14.3.1"
+    "@polkadot/types" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
+    "@polkadot/types-create" "15.0.2"
     "@polkadot/util" "^13.2.3"
     tslib "^2.8.0"
 
-"@polkadot/types-support@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/types-support/-/types-support-14.3.1.tgz#29107b1e92d0d8b33e152856e17ba40f8768b918"
-  integrity sha512-MfVe4iIOJIfBr+gj8Lu8gwIvhnO6gDbG5LeaKAjY6vS6Oh0y5Ztr8NdMIl8ccSpoyt3LqIXjfApeGzHiLzr6bw==
+"@polkadot/types-support@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/types-support/-/types-support-15.0.2.tgz#59520fe28da1b93edd2eea3b2d024a1a2d047326"
+  integrity sha512-I7Im/4K2/XDZ1LfeQeeNyvIkfvozIPQs8K1/nsICDOmBbvIsjxSeKWHOcFDMJ8AlPEer6bqNQavOyZA/pg9R/Q==
   dependencies:
     "@polkadot/util" "^13.2.3"
     tslib "^2.8.0"
 
-"@polkadot/types@14.3.1":
-  version "14.3.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-14.3.1.tgz#ea1698f59750e74169314239272777fd6a732a19"
-  integrity sha512-O748XgCLDQYxS5nQ6TJSqW88oC4QNIoNVlWZC2Qq4SmEXuSzaNHQwSVtdyPRJCCc4Oi1DCQvGui4O+EukUl7HA==
+"@polkadot/types@15.0.2":
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-15.0.2.tgz#e2a80f0c0edbca38ed25293d541afe96d8b73c35"
+  integrity sha512-6gZBnuXU58hQAXWI2daED2OaQwFMxbQdkE8HVGMovMobEf0PxPfIqf+GdnVmWbe09EU9mv2gCWBcdnvHSRBlQg==
   dependencies:
     "@polkadot/keyring" "^13.2.3"
-    "@polkadot/types-augment" "14.3.1"
-    "@polkadot/types-codec" "14.3.1"
-    "@polkadot/types-create" "14.3.1"
+    "@polkadot/types-augment" "15.0.2"
+    "@polkadot/types-codec" "15.0.2"
+    "@polkadot/types-create" "15.0.2"
     "@polkadot/util" "^13.2.3"
     "@polkadot/util-crypto" "^13.2.3"
     rxjs "^7.8.1"