diff --git a/__tests__/upload-artifact.test.ts b/__tests__/upload-artifact.test.ts
index 59d9ed8..c98114d 100644
--- a/__tests__/upload-artifact.test.ts
+++ b/__tests__/upload-artifact.test.ts
@@ -425,7 +425,7 @@ describe('upload-artifact', () => {
               options.onProgress({loadedBytes: 100})
 
               resolve()
-            }, 61000) // Delay longer than your timeout
+            }, 31000) // Delay longer than your timeout
           })
         }
       )
diff --git a/src/internal/upload/blob-upload.ts b/src/internal/upload/blob-upload.ts
index 6558f60..88ed54c 100644
--- a/src/internal/upload/blob-upload.ts
+++ b/src/internal/upload/blob-upload.ts
@@ -30,7 +30,7 @@ export async function uploadZipToBlobStorage(
   const bufferSize = getUploadChunkSize()
   const blobClient = new BlobClient(authenticatedUploadURL)
   const blockBlobClient = blobClient.getBlockBlobClient()
-  const timeoutDuration = 600000 // 30 seconds
+  const timeoutDuration = 300000 // 30 seconds
 
   core.debug(
     `Uploading artifact zip to blob storage with maxConcurrency: ${maxConcurrency}, bufferSize: ${bufferSize}`