diff --git a/package-lock.json b/package-lock.json
index 4e812cd..bb02dff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
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         "@nestjs/testing": "^11.1.8",
         "@nestjs/typeorm": "^11.0.0",
-        "@polkadot/api": "16.4.8",
+        "@polkadot/api": "16.4.9",
         "@polkadot/api-base": "16.4.8",
         "@polkadot/keyring": "13.5.7",
         "@polkadot/types": "16.4.8",
@@ -883,6 +883,90 @@
         "@polkadot/types": "16.4.8"
       }
     },
+    "node_modules/@frequency-chain/api-augment/node_modules/@polkadot/api": {
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+      "resolved": "https://registry.npmjs.org/@polkadot/api/-/api-16.4.8.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "@polkadot/api-augment": "16.4.8",
+        "@polkadot/api-base": "16.4.8",
+        "@polkadot/api-derive": "16.4.8",
+        "@polkadot/keyring": "^13.5.6",
+        "@polkadot/rpc-augment": "16.4.8",
+        "@polkadot/rpc-core": "16.4.8",
+        "@polkadot/rpc-provider": "16.4.8",
+        "@polkadot/types": "16.4.8",
+        "@polkadot/types-augment": "16.4.8",
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+        "@polkadot/types-create": "16.4.8",
+        "@polkadot/types-known": "16.4.8",
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+        "rxjs": "^7.8.1",
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+      }
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+        "@polkadot/rpc-augment": "16.4.8",
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+      },
+      "engines": {
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+      }
+    },
+    "node_modules/@frequency-chain/api-augment/node_modules/@polkadot/api-derive": {
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+      "resolved": "https://registry.npmjs.org/@polkadot/api-derive/-/api-derive-16.4.8.tgz",
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+      "license": "Apache-2.0",
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+        "@polkadot/api-augment": "16.4.8",
+        "@polkadot/api-base": "16.4.8",
+        "@polkadot/rpc-core": "16.4.8",
+        "@polkadot/types": "16.4.8",
+        "@polkadot/types-codec": "16.4.8",
+        "@polkadot/util": "^13.5.6",
+        "@polkadot/util-crypto": "^13.5.6",
+        "rxjs": "^7.8.1",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@frequency-chain/api-augment/node_modules/@polkadot/types-known": {
+      "version": "16.4.8",
+      "resolved": "https://registry.npmjs.org/@polkadot/types-known/-/types-known-16.4.8.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "@polkadot/networks": "^13.5.6",
+        "@polkadot/types": "16.4.8",
+        "@polkadot/types-codec": "16.4.8",
+        "@polkadot/types-create": "16.4.8",
+        "@polkadot/util": "^13.5.6",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@frequency-chain/ethereum-utils": {
       "version": "1.17.6",
       "license": "Apache-2.0",
@@ -895,6 +979,90 @@
         "@rollup/rollup-linux-x64-gnu": "4.52.4"
       }
     },
+    "node_modules/@frequency-chain/ethereum-utils/node_modules/@polkadot/api": {
+      "version": "16.4.8",
+      "resolved": "https://registry.npmjs.org/@polkadot/api/-/api-16.4.8.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "@polkadot/api-augment": "16.4.8",
+        "@polkadot/api-base": "16.4.8",
+        "@polkadot/api-derive": "16.4.8",
+        "@polkadot/keyring": "^13.5.6",
+        "@polkadot/rpc-augment": "16.4.8",
+        "@polkadot/rpc-core": "16.4.8",
+        "@polkadot/rpc-provider": "16.4.8",
+        "@polkadot/types": "16.4.8",
+        "@polkadot/types-augment": "16.4.8",
+        "@polkadot/types-codec": "16.4.8",
+        "@polkadot/types-create": "16.4.8",
+        "@polkadot/types-known": "16.4.8",
+        "@polkadot/util": "^13.5.6",
+        "@polkadot/util-crypto": "^13.5.6",
+        "eventemitter3": "^5.0.1",
+        "rxjs": "^7.8.1",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@frequency-chain/ethereum-utils/node_modules/@polkadot/api-augment": {
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+      "resolved": "https://registry.npmjs.org/@polkadot/api-augment/-/api-augment-16.4.8.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "@polkadot/api-base": "16.4.8",
+        "@polkadot/rpc-augment": "16.4.8",
+        "@polkadot/types": "16.4.8",
+        "@polkadot/types-augment": "16.4.8",
+        "@polkadot/types-codec": "16.4.8",
+        "@polkadot/util": "^13.5.6",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@frequency-chain/ethereum-utils/node_modules/@polkadot/api-derive": {
+      "version": "16.4.8",
+      "resolved": "https://registry.npmjs.org/@polkadot/api-derive/-/api-derive-16.4.8.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "@polkadot/api": "16.4.8",
+        "@polkadot/api-augment": "16.4.8",
+        "@polkadot/api-base": "16.4.8",
+        "@polkadot/rpc-core": "16.4.8",
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+        "@polkadot/types-codec": "16.4.8",
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+        "@polkadot/util-crypto": "^13.5.6",
+        "rxjs": "^7.8.1",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@frequency-chain/ethereum-utils/node_modules/@polkadot/types-known": {
+      "version": "16.4.8",
+      "resolved": "https://registry.npmjs.org/@polkadot/types-known/-/types-known-16.4.8.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "@polkadot/networks": "^13.5.6",
+        "@polkadot/types": "16.4.8",
+        "@polkadot/types-codec": "16.4.8",
+        "@polkadot/types-create": "16.4.8",
+        "@polkadot/util": "^13.5.6",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@hapi/address": {
       "version": "5.1.1",
       "license": "BSD-3-Clause",
@@ -2402,23 +2570,25 @@
       "optional": true
     },
     "node_modules/@polkadot/api": {
-      "version": "16.4.8",
+      "version": "16.4.9",
+      "resolved": "https://registry.npmjs.org/@polkadot/api/-/api-16.4.9.tgz",
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-        "@polkadot/util": "^13.5.6",
-        "@polkadot/util-crypto": "^13.5.6",
+        "@polkadot/api-augment": "16.4.9",
+        "@polkadot/api-base": "16.4.9",
+        "@polkadot/api-derive": "16.4.9",
+        "@polkadot/keyring": "^13.5.7",
+        "@polkadot/rpc-augment": "16.4.9",
+        "@polkadot/rpc-core": "16.4.9",
+        "@polkadot/rpc-provider": "16.4.9",
+        "@polkadot/types": "16.4.9",
+        "@polkadot/types-augment": "16.4.9",
+        "@polkadot/types-codec": "16.4.9",
+        "@polkadot/types-create": "16.4.9",
+        "@polkadot/types-known": "16.4.9",
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+        "@polkadot/util-crypto": "^13.5.7",
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@@ -2428,15 +2598,167 @@
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     },
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-      "version": "16.4.8",
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-        "@polkadot/util": "^13.5.6",
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+      "license": "Apache-2.0",
+      "dependencies": {
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+        "@polkadot/util": "^13.5.7",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@polkadot/api-augment/node_modules/@polkadot/types-support": {
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+      "resolved": "https://registry.npmjs.org/@polkadot/types-support/-/types-support-16.4.9.tgz",
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@@ -2458,17 +2780,35 @@
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diff --git a/package.json b/package.json
index 596ff48..a4b15f4 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "@nestjs/schedule": "^6.0.1",
     "@nestjs/testing": "^11.1.8",
     "@nestjs/typeorm": "^11.0.0",
-    "@polkadot/api": "16.4.8",
+    "@polkadot/api": "16.4.9",
     "@polkadot/api-base": "16.4.8",
     "@polkadot/keyring": "13.5.7",
     "@polkadot/types": "16.4.8",