diff --git a/BTCPayServer.Client/BTCPayServerClient.cs b/BTCPayServer.Client/BTCPayServerClient.cs
index 1e3a03535..85adbddf8 100644
--- a/BTCPayServer.Client/BTCPayServerClient.cs
+++ b/BTCPayServer.Client/BTCPayServerClient.cs
@@ -156,7 +156,7 @@ public partial class BTCPayServerClient
     protected virtual async Task<T> UploadFileRequest<T>(string apiPath, string filePath, string mimeType, string formFieldName, HttpMethod method = null, CancellationToken token = default)
     {
         using MultipartFormDataContent multipartContent = new();
-        var fileContent = new StreamContent(File.OpenRead(filePath));
+        using var fileContent = new StreamContent(File.OpenRead(filePath));
         var fileName = Path.GetFileName(filePath);
         fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse(mimeType);
         multipartContent.Add(fileContent, formFieldName, fileName);