diff --git a/src/generateS3Client.ts b/src/generateS3Client.ts
index 96f7661..e2aaf32 100644
--- a/src/generateS3Client.ts
+++ b/src/generateS3Client.ts
@@ -42,6 +42,8 @@ export function generateS3Client<T>({
       maxAttempts: RETRY_ATTEMPTS,
       requestHandler: oneBlinkRequestHandler,
       credentials: {} as AwsCredentialIdentity,
+      requestChecksumCalculation:
+        oneBlinkHttpHandler.requestChecksumCalculation,
       // Sign requests with our own Authorization header instead
       // of letting AWS SDK attempt to generate credentials
       signer: {
diff --git a/src/http-handlers/FetchHandler.ts b/src/http-handlers/FetchHandler.ts
index 0dd979b..9955b37 100644
--- a/src/http-handlers/FetchHandler.ts
+++ b/src/http-handlers/FetchHandler.ts
@@ -2,8 +2,11 @@ import { HttpRequest, HttpResponse } from '@smithy/protocol-http'
 import { HttpHandlerOptions } from '@smithy/types'
 import { IOneBlinkHttpHandler } from './types.js'
 import { GetObjectCommandOutput } from '@aws-sdk/client-s3'
+import { RequestChecksumCalculation } from '@aws-sdk/middleware-flexible-checksums'
 
 export class OneBlinkFetchHandler implements IOneBlinkHttpHandler {
+  requestChecksumCalculation = RequestChecksumCalculation.WHEN_REQUIRED
+
   async handleRequest(request: HttpRequest, options?: HttpHandlerOptions) {
     const { FetchHttpHandler } = await import('@smithy/fetch-http-handler')
     const fetchHttpHandler = new FetchHttpHandler()
diff --git a/src/http-handlers/NodeJsHandler.ts b/src/http-handlers/NodeJsHandler.ts
index 8941a93..0baa24a 100644
--- a/src/http-handlers/NodeJsHandler.ts
+++ b/src/http-handlers/NodeJsHandler.ts
@@ -2,8 +2,11 @@ import { HttpRequest, HttpResponse } from '@smithy/protocol-http'
 import { HttpHandlerOptions } from '@smithy/types'
 import { IOneBlinkHttpHandler, FailResponse } from './types.js'
 import { GetObjectCommandOutput } from '@aws-sdk/client-s3'
+import { RequestChecksumCalculation } from '@aws-sdk/middleware-flexible-checksums'
 
 export class OneBlinkNodeJsHandler implements IOneBlinkHttpHandler {
+  requestChecksumCalculation = RequestChecksumCalculation.WHEN_SUPPORTED
+
   async handleRequest(
     request: HttpRequest,
     options?: HttpHandlerOptions | undefined,
diff --git a/src/http-handlers/types.ts b/src/http-handlers/types.ts
index b8bcf36..a415bee 100644
--- a/src/http-handlers/types.ts
+++ b/src/http-handlers/types.ts
@@ -1,4 +1,5 @@
 import { GetObjectCommandOutput } from '@aws-sdk/client-s3'
+import { RequestChecksumCalculation } from '@aws-sdk/middleware-flexible-checksums'
 import { AWSTypes } from '@oneblink/types'
 import { HttpRequest, HttpResponse } from '@smithy/protocol-http'
 import { HttpHandlerOptions } from '@smithy/types'
@@ -14,6 +15,11 @@ export type FailResponse = {
 }
 
 export interface IOneBlinkHttpHandler {
+  /**
+   * Need this to avoid this [issue with the AWS
+   * SDK](https://github.com/aws/aws-sdk-js-v3/issues/6810)
+   */
+  requestChecksumCalculation: RequestChecksumCalculation
   handleRequest: (
     request: HttpRequest,
     options?: HttpHandlerOptions,