diff --git a/packages/artifact/src/internal/shared/config.ts b/packages/artifact/src/internal/shared/config.ts
index 73a9fcc5..eb122207 100644
--- a/packages/artifact/src/internal/shared/config.ts
+++ b/packages/artifact/src/internal/shared/config.ts
@@ -40,7 +40,7 @@ export function getGitHubWorkspaceDir(): string {
 // Mimics behavior of azcopy: https://learn.microsoft.com/en-us/azure/storage/common/storage-use-azcopy-optimize
 // If your machine has fewer than 5 CPUs, then the value of this variable is set to 32.
 // Otherwise, the default value is equal to 16 multiplied by the number of CPUs. The maximum value of this variable is 300.
-export function getConcurrency() {
+export function getConcurrency(): number {
   const numCPUs = os.cpus().length
 
   if (numCPUs <= 4) {
diff --git a/packages/artifact/src/internal/upload/upload-artifact.ts b/packages/artifact/src/internal/upload/upload-artifact.ts
index f2547516..bcc91ec8 100644
--- a/packages/artifact/src/internal/upload/upload-artifact.ts
+++ b/packages/artifact/src/internal/upload/upload-artifact.ts
@@ -37,7 +37,10 @@ export async function uploadArtifact(
     }
   }
 
-  const zipUploadStream = await createZipUploadStream(zipSpecification, options?.compressionLevel)
+  const zipUploadStream = await createZipUploadStream(
+    zipSpecification,
+    options?.compressionLevel
+  )
 
   // get the IDs needed for the artifact creation
   const backendIds = getBackendIdsFromToken()