fix memory leak

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.lib/Plugins/ValidationPlugins/Http/HttpValidation.cs b/src/main.lib/Plugins/ValidationPlugins/Http/HttpValidation.cs
index 42b7777..c430ce2 100644
--- a/src/main.lib/Plugins/ValidationPlugins/Http/HttpValidation.cs
+++ b/src/main.lib/Plugins/ValidationPlugins/Http/HttpValidation.cs
@@ -127,7 +127,7 @@ namespace PKISharp.WACS.Plugins.ValidationPlugins
         /// <param name="uri"></param>
         private async Task<string> WarmupSite()
         {
-            var client =_proxy.GetHttpClient();
+            using var client = _proxy.GetHttpClient();
             var response = await client.GetAsync(_challenge.HttpResourceUrl);
             return await response.Content.ReadAsStringAsync();
         }