diff --git a/package.json b/package.json
index 696e914..be133fe 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@dedot/codegen": "^0.6.1",
-    "@polkadot/types-support": "~14.0.1",
+    "@polkadot/types-support": "~15.0.2",
     "@trivago/prettier-plugin-sort-imports": "^4.1.1",
     "husky": "^8.0.3",
     "lerna": "^7.4.2",
diff --git a/yarn.lock b/yarn.lock
index 141d262..4fe4c85 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -911,6 +911,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@polkadot/types-support@npm:~15.0.2":
+  version: 15.0.2
+  resolution: "@polkadot/types-support@npm:15.0.2"
+  dependencies:
+    "@polkadot/util": "npm:^13.2.3"
+    tslib: "npm:^2.8.0"
+  checksum: 10/6c5d21ff2ca7f505d93e9f2640c29c1ef96f3db609bed172724bf58ebafdd934ec02acafae29a93a0224d5a1d7364e8c47c4dd261af22069470bb7795b8e51df
+  languageName: node
+  linkType: hard
+
 "@polkadot/util@npm:^13.1.1":
   version: 13.1.1
   resolution: "@polkadot/util@npm:13.1.1"
@@ -926,6 +936,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@polkadot/util@npm:^13.2.3":
+  version: 13.2.3
+  resolution: "@polkadot/util@npm:13.2.3"
+  dependencies:
+    "@polkadot/x-bigint": "npm:13.2.3"
+    "@polkadot/x-global": "npm:13.2.3"
+    "@polkadot/x-textdecoder": "npm:13.2.3"
+    "@polkadot/x-textencoder": "npm:13.2.3"
+    "@types/bn.js": "npm:^5.1.6"
+    bn.js: "npm:^5.2.1"
+    tslib: "npm:^2.8.0"
+  checksum: 10/45c493224599a003cb52c98d0be502088e3e05dc74e1c505d579aae77341bf1769fbe1ca6c13df8b581235690f78c3b36f8525d378af9df5663a1c21becc4766
+  languageName: node
+  linkType: hard
+
 "@polkadot/x-bigint@npm:13.1.1":
   version: 13.1.1
   resolution: "@polkadot/x-bigint@npm:13.1.1"
@@ -936,6 +961,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@polkadot/x-bigint@npm:13.2.3":
+  version: 13.2.3
+  resolution: "@polkadot/x-bigint@npm:13.2.3"
+  dependencies:
+    "@polkadot/x-global": "npm:13.2.3"
+    tslib: "npm:^2.8.0"
+  checksum: 10/1ede67d15b2e66eb8546e6f7ea9bd3599969eda2a75339a5e7077d1db67e1cebd61b5b4522c344ee3210e3117e9c8c36fe623fc691e0d4a8c0f9b0dc39b768a5
+  languageName: node
+  linkType: hard
+
 "@polkadot/x-global@npm:13.1.1":
   version: 13.1.1
   resolution: "@polkadot/x-global@npm:13.1.1"
@@ -964,6 +999,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@polkadot/x-textdecoder@npm:13.2.3":
+  version: 13.2.3
+  resolution: "@polkadot/x-textdecoder@npm:13.2.3"
+  dependencies:
+    "@polkadot/x-global": "npm:13.2.3"
+    tslib: "npm:^2.8.0"
+  checksum: 10/e67cfb4677cd8a43ed7678421562280947bf22b13d8d4b0ac49e20a34939bbd7de02b8e51a1f5f138c0884847d7c782fb6bbb13d2d7556d1bb7a4e39508c949d
+  languageName: node
+  linkType: hard
+
 "@polkadot/x-textencoder@npm:13.1.1":
   version: 13.1.1
   resolution: "@polkadot/x-textencoder@npm:13.1.1"
@@ -974,6 +1019,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@polkadot/x-textencoder@npm:13.2.3":
+  version: 13.2.3
+  resolution: "@polkadot/x-textencoder@npm:13.2.3"
+  dependencies:
+    "@polkadot/x-global": "npm:13.2.3"
+    tslib: "npm:^2.8.0"
+  checksum: 10/54630e2ca156cda7d5f8eb3d5283f43d2729c579d032d9d2b088c2a599d3be905c237d9ebcca3fd432e1fca9d1d0349585e4bf8e27000946a2d6f3c8fef1009d
+  languageName: node
+  linkType: hard
+
 "@polkadot/x-ws@npm:^13.2.3":
   version: 13.2.3
   resolution: "@polkadot/x-ws@npm:13.2.3"
@@ -1117,6 +1172,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/bn.js@npm:^5.1.6":
+  version: 5.1.6
+  resolution: "@types/bn.js@npm:5.1.6"
+  dependencies:
+    "@types/node": "npm:*"
+  checksum: 10/db565b5a2af59b09459d74441153bf23a0e80f1fb2d070330786054e7ce1a7285dc40afcd8f289426c61a83166bdd70814f70e2d439744686aac5d3ea75daf13
+  languageName: node
+  linkType: hard
+
 "@types/minimatch@npm:^3.0.3":
   version: 3.0.5
   resolution: "@types/minimatch@npm:3.0.5"
@@ -2061,7 +2125,7 @@ __metadata:
   resolution: "dedot.dev@workspace:."
   dependencies:
     "@dedot/codegen": "npm:^0.6.1"
-    "@polkadot/types-support": "npm:~14.0.1"
+    "@polkadot/types-support": "npm:~15.0.2"
     "@trivago/prettier-plugin-sort-imports": "npm:^4.1.1"
     husky: "npm:^8.0.3"
     lerna: "npm:^7.4.2"