diff --git a/Iyzipay/RestHttpClientV2.cs b/Iyzipay/RestHttpClientV2.cs
index 9d471fd..aeaeacd 100644
--- a/Iyzipay/RestHttpClientV2.cs
+++ b/Iyzipay/RestHttpClientV2.cs
@@ -88,7 +88,7 @@ public async Task<T> PostAsync<T>(String url, Dictionary<string, string> headers
 				requestMessage.Headers.Add(header.Key, header.Value);
 			}
 
-			HttpResponseMessage httpResponseMessage = HttpClient.SendAsync(requestMessage).Result;
+			HttpResponseMessage httpResponseMessage = await HttpClient.SendAsync(requestMessage);
 			var readAsString = await httpResponseMessage.Content.ReadAsStringAsync();
 			var response = JsonConvert.DeserializeObject<T>(readAsString);
 			response.AppendWithHttpResponseHeaders(httpResponseMessage);
@@ -141,7 +141,7 @@ public async Task<T> PutAsync<T>(String url, Dictionary<string, string> headers,
 				requestMessage.Headers.Add(header.Key, header.Value);
 			}
 
-			HttpResponseMessage httpResponseMessage = HttpClient.SendAsync(requestMessage).Result;
+			HttpResponseMessage httpResponseMessage = await HttpClient.SendAsync(requestMessage);
 			var readAsString = await httpResponseMessage.Content.ReadAsStringAsync();
 			var response = JsonConvert.DeserializeObject<T>(readAsString);
 			response.AppendWithHttpResponseHeaders(httpResponseMessage);
@@ -221,7 +221,7 @@ public async Task<T> DeleteAsync<T>(String url, Dictionary<string, string> heade
 				requestMessage.Headers.Add(header.Key, header.Value);
 			}
 
-			HttpResponseMessage httpResponseMessage = HttpClient.SendAsync(requestMessage).Result;
+			HttpResponseMessage httpResponseMessage = await HttpClient .SendAsync(requestMessage);
 			var readAsString = await httpResponseMessage.Content.ReadAsStringAsync();
 			var response = JsonConvert.DeserializeObject<T>(readAsString);
 			response.AppendWithHttpResponseHeaders(httpResponseMessage);