diff --git a/ShareX.HelpersLib/Helpers/URLHelpers.cs b/ShareX.HelpersLib/Helpers/URLHelpers.cs
index 90ab5c4fe..056205527 100644
--- a/ShareX.HelpersLib/Helpers/URLHelpers.cs
+++ b/ShareX.HelpersLib/Helpers/URLHelpers.cs
@@ -632,6 +632,8 @@ public static void DownloadFile(string url, string filePath)
 
         public static string DownloadString(string url, bool noCache = true)
         {
+            string response = null;
+
             if (!string.IsNullOrEmpty(url))
             {
                 using (WebClient wc = new WebClient())
@@ -644,11 +646,11 @@ public static string DownloadString(string url, bool noCache = true)
                     wc.Encoding = Encoding.UTF8;
                     wc.Headers.Add(HttpRequestHeader.UserAgent, ShareXResources.UserAgent);
                     wc.Proxy = HelpersOptions.CurrentProxy.GetWebProxy();
-                    return wc.DownloadString(url);
+                    response = wc.DownloadString(url);
                 }
             }
 
-            return null;
+            return response;
         }
     }
 }
\ No newline at end of file
diff --git a/ShareX.UploadersLib/ShareX.UploadersLib.csproj b/ShareX.UploadersLib/ShareX.UploadersLib.csproj
index e30baeb0c..1295fd934 100644
--- a/ShareX.UploadersLib/ShareX.UploadersLib.csproj
+++ b/ShareX.UploadersLib/ShareX.UploadersLib.csproj
@@ -1150,7 +1150,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="FluentFTP">
-      <Version>37.0.5</Version>
+      <Version>39.4.0</Version>
     </PackageReference>
     <PackageReference Include="MegaApiClient">
       <Version>1.10.2</Version>