diff --git a/packages/node/CHANGELOG.md b/packages/node/CHANGELOG.md
index af9c4021..734f1641 100644
--- a/packages/node/CHANGELOG.md
+++ b/packages/node/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Use tendermint-rpc fork to allow support for finalizeBlockEvents (#291)
 
 ## [4.1.2] - 2024-09-25
 ### Fixed
diff --git a/packages/node/package.json b/packages/node/package.json
index de76e6e5..44c8f313 100644
--- a/packages/node/package.json
+++ b/packages/node/package.json
@@ -22,6 +22,7 @@
     "@cosmjs/cosmwasm-stargate": "^0.32.4",
     "@cosmjs/proto-signing": "^0.32.4",
     "@cosmjs/stargate": "^0.32.4",
+    "@cosmjs/tendermint-rpc": "npm:@subql/x-cosmos-tendermint-rpc@0.32.4",
     "@kyvejs/sdk": "^1.3.2",
     "@nestjs/common": "^9.4.0",
     "@nestjs/core": "^9.4.0",
diff --git a/packages/node/src/indexer/api.service.ts b/packages/node/src/indexer/api.service.ts
index e24b1658..16c29195 100644
--- a/packages/node/src/indexer/api.service.ts
+++ b/packages/node/src/indexer/api.service.ts
@@ -198,7 +198,9 @@ export class CosmosClient extends CosmWasmClient {
     private readonly _cometClient: CometClient,
     public registry: Registry,
   ) {
-    super(_cometClient);
+    // Types have diverged with our fork of tendermint-rpc
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    super(_cometClient as any);
   }
 
   // eslint-disable-next-line @typescript-eslint/require-await
@@ -245,7 +247,9 @@ export class CosmosSafeClient
   height: number;
 
   constructor(cometClient: CometClient, height: number) {
-    super(cometClient);
+    // Types have diverged with our fork of tendermint-rpc
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    super(cometClient as any);
     this.height = height;
   }
 
diff --git a/packages/node/src/indexer/indexer.manager.ts b/packages/node/src/indexer/indexer.manager.ts
index a797a0af..f308474e 100644
--- a/packages/node/src/indexer/indexer.manager.ts
+++ b/packages/node/src/indexer/indexer.manager.ts
@@ -135,6 +135,10 @@ export class IndexerManager extends BaseIndexerManager<
     for (const evt of blockContent.endBlockEvents ?? []) {
       await this.indexEvent(evt, dataSources, getVM);
     }
+
+    for (const evt of blockContent.finalizeBlockEvents ?? []) {
+      await this.indexEvent(evt, dataSources, getVM);
+    }
   }
 
   private async indexBlockContent(
diff --git a/packages/node/src/indexer/types.ts b/packages/node/src/indexer/types.ts
index 496eb323..26a4ef0c 100644
--- a/packages/node/src/indexer/types.ts
+++ b/packages/node/src/indexer/types.ts
@@ -27,8 +27,12 @@ export interface BlockContent {
   transactions: CosmosTransaction[];
   messages: CosmosMessage[];
   events: CosmosEvent[];
+  // Tendermint34,37
   beginBlockEvents?: CosmosEvent[];
   endBlockEvents?: CosmosEvent[];
+
+  // Comet38
+  finalizeBlockEvents?: CosmosEvent[];
 }
 
 export type BestBlocks = Record<number, string>;
diff --git a/packages/node/src/utils/cosmos.spec.ts b/packages/node/src/utils/cosmos.spec.ts
index bc10ac27..e56ec4f3 100644
--- a/packages/node/src/utils/cosmos.spec.ts
+++ b/packages/node/src/utils/cosmos.spec.ts
@@ -380,11 +380,10 @@ describe('Cosmos 0.50 support', () => {
     expect(status.nodeInfo.version).toMatch('0.38.');
   });
 
-  // TODO requires these changes https://github.com/cosmos/cosmjs/compare/main...bryanchriswhite:cosmjs:main
   it('correctly has finalized block events instead of being/end block events', () => {
-    // Its not yet defined if cosmjs will split finalizedBlockEvents to these to fields or define finalizedBlockEvents
-    expect(block.beginBlockEvents).toBeDefined();
-    expect(block.endBlockEvents).toBeDefined();
+    expect(block.beginBlockEvents?.length).toEqual(0);
+    expect(block.endBlockEvents?.length).toEqual(0);
+    expect(block.finalizeBlockEvents?.length).toBeGreaterThan(0);
   });
 
   it('correctly parses events', () => {
diff --git a/packages/node/src/utils/cosmos.ts b/packages/node/src/utils/cosmos.ts
index 108b829d..44e7c966 100644
--- a/packages/node/src/utils/cosmos.ts
+++ b/packages/node/src/utils/cosmos.ts
@@ -8,7 +8,13 @@ import { toHex } from '@cosmjs/encoding';
 import { DecodeObject, decodeTxRaw, Registry } from '@cosmjs/proto-signing';
 import { fromTendermintEvent } from '@cosmjs/stargate';
 import { Log, parseRawLog } from '@cosmjs/stargate/build/logs';
-import { toRfc3339WithNanoseconds } from '@cosmjs/tendermint-rpc';
+import {
+  toRfc3339WithNanoseconds,
+  tendermint34,
+  tendermint37,
+  comet38,
+} from '@cosmjs/tendermint-rpc';
+
 import {
   IBlock,
   getLogger,
@@ -494,6 +500,7 @@ export class LazyBlockContent implements BlockContent {
   private _wrappedEvent?: CosmosEvent[];
   private _wrappedBeginBlockEvents?: CosmosEvent[];
   private _wrappedEndBlockEvents?: CosmosEvent[];
+  private _wrappedFinalizedBlockEvents?: CosmosEvent[];
   private _eventIdx = 0; //To maintain a valid count over begin block events, tx events and end block events
 
   constructor(
@@ -543,10 +550,17 @@ export class LazyBlockContent implements BlockContent {
   }
 
   get beginBlockEvents(): CosmosEvent[] {
+    const results = this._results as
+      | tendermint34.BlockResultsResponse
+      | tendermint37.BlockResultsResponse;
+    if (!results.beginBlockEvents?.length) {
+      return [];
+    }
+
     if (!this._wrappedBeginBlockEvents) {
       this._wrappedBeginBlockEvents = wrapBlockBeginAndEndEvents(
         this.block,
-        [...this._results.beginBlockEvents],
+        [...results.beginBlockEvents],
         this._eventIdx,
       );
       this._eventIdx += this._wrappedBeginBlockEvents.length;
@@ -556,10 +570,17 @@ export class LazyBlockContent implements BlockContent {
   }
 
   get endBlockEvents(): CosmosEvent[] {
+    const results = this._results as
+      | tendermint34.BlockResultsResponse
+      | tendermint37.BlockResultsResponse;
+    if (!results.endBlockEvents?.length) {
+      return [];
+    }
+
     if (!this._wrappedEndBlockEvents) {
       this._wrappedEndBlockEvents = wrapBlockBeginAndEndEvents(
         this.block,
-        [...this._results.endBlockEvents],
+        [...results.endBlockEvents],
         this._eventIdx,
       );
       this._eventIdx += this._wrappedEndBlockEvents.length;
@@ -567,6 +588,24 @@ export class LazyBlockContent implements BlockContent {
 
     return this._wrappedEndBlockEvents;
   }
+
+  get finalizeBlockEvents(): CosmosEvent[] {
+    const results = this._results as comet38.BlockResultsResponse;
+    if (!results.finalizeBlockEvents?.length) {
+      return [];
+    }
+
+    if (!this._wrappedFinalizedBlockEvents) {
+      this._wrappedFinalizedBlockEvents = wrapBlockBeginAndEndEvents(
+        this.block,
+        [...results.finalizeBlockEvents],
+        this._eventIdx,
+      );
+      this._eventIdx += this._wrappedFinalizedBlockEvents.length;
+    }
+
+    return this._wrappedFinalizedBlockEvents;
+  }
 }
 
 export function calcInterval(api: CosmosClient): number {
diff --git a/yarn.lock b/yarn.lock
index 378468e8..78a09758 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2298,6 +2298,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@cosmjs/crypto@npm:0.32.4, @cosmjs/crypto@npm:^0.32.4":
+  version: 0.32.4
+  resolution: "@cosmjs/crypto@npm:0.32.4"
+  dependencies:
+    "@cosmjs/encoding": ^0.32.4
+    "@cosmjs/math": ^0.32.4
+    "@cosmjs/utils": ^0.32.4
+    "@noble/hashes": ^1
+    bn.js: ^5.2.0
+    elliptic: ^6.5.4
+    libsodium-wrappers-sumo: ^0.7.11
+  checksum: 432313296350c070936af9516249a7c96c3c057242ab4a8ca261fcf12a5cfddf151d8b84dabec324e0d51e01643b0d92b798ab652ad4ec16321b691e875c93b3
+  languageName: node
+  linkType: hard
+
 "@cosmjs/crypto@npm:^0.32.3":
   version: 0.32.3
   resolution: "@cosmjs/crypto@npm:0.32.3"
@@ -2313,18 +2328,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/crypto@npm:^0.32.4":
+"@cosmjs/encoding@npm:0.32.4, @cosmjs/encoding@npm:^0.32.4":
   version: 0.32.4
-  resolution: "@cosmjs/crypto@npm:0.32.4"
+  resolution: "@cosmjs/encoding@npm:0.32.4"
   dependencies:
-    "@cosmjs/encoding": ^0.32.4
-    "@cosmjs/math": ^0.32.4
-    "@cosmjs/utils": ^0.32.4
-    "@noble/hashes": ^1
-    bn.js: ^5.2.0
-    elliptic: ^6.5.4
-    libsodium-wrappers-sumo: ^0.7.11
-  checksum: 432313296350c070936af9516249a7c96c3c057242ab4a8ca261fcf12a5cfddf151d8b84dabec324e0d51e01643b0d92b798ab652ad4ec16321b691e875c93b3
+    base64-js: ^1.3.0
+    bech32: ^1.1.4
+    readonly-date: ^1.0.0
+  checksum: 9a2a1d87b7fe3fa7ad05a0b049b783b5b08ccfd61ed5bb3a1a37e0ae93a0ad9bc8c6701b1d3112e7c154b2dd48a0c221263a39a4d6878a495dc59ac5eeef6ec2
   languageName: node
   linkType: hard
 
@@ -2339,14 +2350,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/encoding@npm:^0.32.4":
+"@cosmjs/json-rpc@npm:0.32.4, @cosmjs/json-rpc@npm:^0.32.4":
   version: 0.32.4
-  resolution: "@cosmjs/encoding@npm:0.32.4"
+  resolution: "@cosmjs/json-rpc@npm:0.32.4"
   dependencies:
-    base64-js: ^1.3.0
-    bech32: ^1.1.4
-    readonly-date: ^1.0.0
-  checksum: 9a2a1d87b7fe3fa7ad05a0b049b783b5b08ccfd61ed5bb3a1a37e0ae93a0ad9bc8c6701b1d3112e7c154b2dd48a0c221263a39a4d6878a495dc59ac5eeef6ec2
+    "@cosmjs/stream": ^0.32.4
+    xstream: ^11.14.0
+  checksum: 5153d7fbccd7073679d138e351fe02395602346717d34d8bdd761797afa71bc395e82bc6cec797ffdc13aceeab8f508c75a9dd6b15314c1cb8a9757239978d62
   languageName: node
   linkType: hard
 
@@ -2360,13 +2370,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/json-rpc@npm:^0.32.4":
+"@cosmjs/math@npm:0.32.4, @cosmjs/math@npm:^0.32.4":
   version: 0.32.4
-  resolution: "@cosmjs/json-rpc@npm:0.32.4"
+  resolution: "@cosmjs/math@npm:0.32.4"
   dependencies:
-    "@cosmjs/stream": ^0.32.4
-    xstream: ^11.14.0
-  checksum: 5153d7fbccd7073679d138e351fe02395602346717d34d8bdd761797afa71bc395e82bc6cec797ffdc13aceeab8f508c75a9dd6b15314c1cb8a9757239978d62
+    bn.js: ^5.2.0
+  checksum: 1269ad0c33a78b05c9f7c1bc7a7222d3b4504263ade3a15b07f95eb18c2620c96e4c79beeab66d7053294828b32cf04d0cc5a71610f755e1d1da06b04d462043
   languageName: node
   linkType: hard
 
@@ -2379,15 +2388,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/math@npm:^0.32.4":
-  version: 0.32.4
-  resolution: "@cosmjs/math@npm:0.32.4"
-  dependencies:
-    bn.js: ^5.2.0
-  checksum: 1269ad0c33a78b05c9f7c1bc7a7222d3b4504263ade3a15b07f95eb18c2620c96e4c79beeab66d7053294828b32cf04d0cc5a71610f755e1d1da06b04d462043
-  languageName: node
-  linkType: hard
-
 "@cosmjs/proto-signing@npm:^0.32.3":
   version: 0.32.3
   resolution: "@cosmjs/proto-signing@npm:0.32.3"
@@ -2416,27 +2416,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/socket@npm:^0.32.3":
-  version: 0.32.3
-  resolution: "@cosmjs/socket@npm:0.32.3"
+"@cosmjs/socket@npm:0.32.4, @cosmjs/socket@npm:^0.32.4":
+  version: 0.32.4
+  resolution: "@cosmjs/socket@npm:0.32.4"
   dependencies:
-    "@cosmjs/stream": ^0.32.3
+    "@cosmjs/stream": ^0.32.4
     isomorphic-ws: ^4.0.1
     ws: ^7
     xstream: ^11.14.0
-  checksum: 9e695a21b81c7987999c1452f18a341428ad01cda65b392386440d26589c2b53af81954c36156c5be88ddd97982c20db2fb938b4349a04f18f05b65547796556
+  checksum: 26125bbf261d5d77bec3c5340a9c60c1e512bee747984b3333521491aa4f4d2a3e2cba7f1e412013b38835eff875066e645d86f752d7936f19f9eae18b9d97e5
   languageName: node
   linkType: hard
 
-"@cosmjs/socket@npm:^0.32.4":
-  version: 0.32.4
-  resolution: "@cosmjs/socket@npm:0.32.4"
+"@cosmjs/socket@npm:^0.32.3":
+  version: 0.32.3
+  resolution: "@cosmjs/socket@npm:0.32.3"
   dependencies:
-    "@cosmjs/stream": ^0.32.4
+    "@cosmjs/stream": ^0.32.3
     isomorphic-ws: ^4.0.1
     ws: ^7
     xstream: ^11.14.0
-  checksum: 26125bbf261d5d77bec3c5340a9c60c1e512bee747984b3333521491aa4f4d2a3e2cba7f1e412013b38835eff875066e645d86f752d7936f19f9eae18b9d97e5
+  checksum: 9e695a21b81c7987999c1452f18a341428ad01cda65b392386440d26589c2b53af81954c36156c5be88ddd97982c20db2fb938b4349a04f18f05b65547796556
   languageName: node
   linkType: hard
 
@@ -2476,6 +2476,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@cosmjs/stream@npm:0.32.4, @cosmjs/stream@npm:^0.32.4":
+  version: 0.32.4
+  resolution: "@cosmjs/stream@npm:0.32.4"
+  dependencies:
+    xstream: ^11.14.0
+  checksum: fa55d3f29e8a7c56d5da4128989709f0b02fcee5319efa2504f62e4f2b0c64725ccb603d88f435f6fbe308dc6ef76b1fd3ea5aecfcb877a871c111366ddd3489
+  languageName: node
+  linkType: hard
+
 "@cosmjs/stream@npm:^0.32.3":
   version: 0.32.3
   resolution: "@cosmjs/stream@npm:0.32.3"
@@ -2485,12 +2494,21 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/stream@npm:^0.32.4":
+"@cosmjs/tendermint-rpc@npm:@subql/x-cosmos-tendermint-rpc@0.32.4":
   version: 0.32.4
-  resolution: "@cosmjs/stream@npm:0.32.4"
-  dependencies:
+  resolution: "@subql/x-cosmos-tendermint-rpc@npm:0.32.4"
+  dependencies:
+    "@cosmjs/crypto": 0.32.4
+    "@cosmjs/encoding": 0.32.4
+    "@cosmjs/json-rpc": 0.32.4
+    "@cosmjs/math": 0.32.4
+    "@cosmjs/socket": 0.32.4
+    "@cosmjs/stream": 0.32.4
+    "@cosmjs/utils": 0.32.4
+    axios: ^1.6.0
+    readonly-date: ^1.0.0
     xstream: ^11.14.0
-  checksum: fa55d3f29e8a7c56d5da4128989709f0b02fcee5319efa2504f62e4f2b0c64725ccb603d88f435f6fbe308dc6ef76b1fd3ea5aecfcb877a871c111366ddd3489
+  checksum: f98853e8a38690921adef946cf6bfd35a6ed9906c353700a24a85631c387961d7a2ad93b437a4c95d56d4452b50161075814fc353bd72a29f85bae154c6ff4f7
   languageName: node
   linkType: hard
 
@@ -2530,6 +2548,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@cosmjs/utils@npm:0.32.4, @cosmjs/utils@npm:^0.32.4":
+  version: 0.32.4
+  resolution: "@cosmjs/utils@npm:0.32.4"
+  checksum: 92f4d0878bedda53d113894ebadd31a6d189fdd45f2f884049ee99c2d7f907703b6dc40c8bc9b88b912443c38f3dbf77a9474183f41b85dec1f9ef3bec9d86c4
+  languageName: node
+  linkType: hard
+
 "@cosmjs/utils@npm:^0.32.3":
   version: 0.32.3
   resolution: "@cosmjs/utils@npm:0.32.3"
@@ -2537,13 +2562,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cosmjs/utils@npm:^0.32.4":
-  version: 0.32.4
-  resolution: "@cosmjs/utils@npm:0.32.4"
-  checksum: 92f4d0878bedda53d113894ebadd31a6d189fdd45f2f884049ee99c2d7f907703b6dc40c8bc9b88b912443c38f3dbf77a9474183f41b85dec1f9ef3bec9d86c4
-  languageName: node
-  linkType: hard
-
 "@cosmology/protobufjs@npm:6.11.6":
   version: 6.11.6
   resolution: "@cosmology/protobufjs@npm:6.11.6"
@@ -4254,6 +4272,7 @@ __metadata:
     "@cosmjs/cosmwasm-stargate": ^0.32.4
     "@cosmjs/proto-signing": ^0.32.4
     "@cosmjs/stargate": ^0.32.4
+    "@cosmjs/tendermint-rpc": "npm:@subql/x-cosmos-tendermint-rpc@0.32.4"
     "@kyvejs/sdk": ^1.3.2
     "@nestjs/common": ^9.4.0
     "@nestjs/core": ^9.4.0