diff --git a/Infrastructure/RateLimiter.cs b/Infrastructure/RateLimiter.cs
index faaa214..403acd6 100644
--- a/Infrastructure/RateLimiter.cs
+++ b/Infrastructure/RateLimiter.cs
@@ -13,7 +13,7 @@
             _maxRequests = maxRequests;
             _interval = interval;
             var now = DateTime.Now;
-            _windowStart = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute - (now.Minute % interval.Minutes), 0);
+            _windowStart = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, 0);
             _requestCount = 0;
         }
 
diff --git a/Presentation/Program.cs b/Presentation/Program.cs
index 6bbb86e..eaf2776 100644
--- a/Presentation/Program.cs
+++ b/Presentation/Program.cs
@@ -29,7 +29,7 @@ class Program
             ServerCertificateCustomValidationCallback = (HttpRequestMessage req, X509Certificate2? cert, X509Chain? chain, SslPolicyErrors errors) => true
         });
         
-        var rateLimiter = new RateLimiter(400, TimeSpan.FromMinutes(1));
+        var rateLimiter = new RateLimiter(12, TimeSpan.FromSeconds(1));
         var useCase = new ProcessarMedicoesUseCase(postgresRepo, accessRepo, httpClient, rateLimiter);
 
         await useCase.ExecuteAsync(dataIni, dataFim, caminhoLog, CancellationToken.None);