diff --git a/DD.Persistence.Client/Helpers/ApiTokenHelper.cs b/DD.Persistence.Client/Helpers/ApiTokenHelper.cs
index 85fa428..4a46016 100644
--- a/DD.Persistence.Client/Helpers/ApiTokenHelper.cs
+++ b/DD.Persistence.Client/Helpers/ApiTokenHelper.cs
@@ -19,7 +19,7 @@ public static class ApiTokenHelper
     /// <param name="httpClient"></param>
     /// <param name="configuration"></param>
     /// <returns></returns>
-    public static async Task Authorize(this HttpClient httpClient, IConfiguration configuration)
+    public static void Authorize(this HttpClient httpClient, IConfiguration configuration)
     {
         var authUser = configuration
             .GetSection(nameof(AuthUser))
@@ -30,7 +30,7 @@ public static class ApiTokenHelper
         var keycloakGetTokenUrl = configuration.GetSection("KeycloakGetTokenUrl").Get<string>() ?? string.Empty;
 
         var jwtToken = needUseKeyCloak
-            ? await authUser.CreateKeyCloakJwtToken(keycloakGetTokenUrl)
+            ? authUser.CreateKeyCloakJwtToken(keycloakGetTokenUrl)
             : authUser.CreateDefaultJwtToken();
 
         httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", jwtToken);
@@ -73,7 +73,7 @@ public static class ApiTokenHelper
     /// <param name="authUser"></param>
     /// <param name="keycloakGetTokenUrl"></param>
     /// <returns></returns>
-    private static async Task<string> CreateKeyCloakJwtToken(this AuthUser authUser, string keycloakGetTokenUrl)
+    private static string CreateKeyCloakJwtToken(this AuthUser authUser, string keycloakGetTokenUrl)
     {
         var sharedClient = new HttpClient();
         var parameters = new Dictionary<string, string> {
@@ -84,11 +84,11 @@ public static class ApiTokenHelper
         };
         var encodedContent = new FormUrlEncodedContent(parameters);
 
-        using HttpResponseMessage response = await sharedClient.PostAsync(keycloakGetTokenUrl, encodedContent);
+        using HttpResponseMessage response = sharedClient.PostAsync(keycloakGetTokenUrl, encodedContent).GetAwaiter().GetResult();
 
         if (response.IsSuccessStatusCode == true)
         {
-            var data = await response.Content.ReadAsStreamAsync();
+            var data = response.Content.ReadAsStreamAsync().GetAwaiter().GetResult();
             var token = JsonSerializer.Deserialize<JwtToken>(data)!;
             return token.AccessToken;
         }
diff --git a/DD.Persistence.IntegrationTests/TestHttpClientFactory.cs b/DD.Persistence.IntegrationTests/TestHttpClientFactory.cs
index 4c0cd04..51b8783 100644
--- a/DD.Persistence.IntegrationTests/TestHttpClientFactory.cs
+++ b/DD.Persistence.IntegrationTests/TestHttpClientFactory.cs
@@ -19,7 +19,7 @@ namespace DD.Persistence.IntegrationTests
         public HttpClient CreateClient(string name)
         {
             var client = factory.CreateClient();
-            client.Authorize(configuration).GetAwaiter().GetResult();
+            client.Authorize(configuration);
 
             return client;
         }