diff --git a/src/NuGetGallery/Constants.cs b/src/NuGetGallery/Constants.cs
index 7483964f0c..40c116ff25 100644
--- a/src/NuGetGallery/Constants.cs
+++ b/src/NuGetGallery/Constants.cs
@@ -21,7 +21,7 @@ public static class Constants
         public const double AllowedLoginAttempts = 10;
 
         public const int MaxEmailSubjectLength = 255;
-        internal static readonly NuGetVersion MaxSupportedMinClientVersion = new NuGetVersion("3.4.0.0");
+        internal static readonly NuGetVersion MaxSupportedMinClientVersion = new NuGetVersion("4.1.0.0");
         public const string PackageContentType = "binary/octet-stream";
         public const string OctetStreamContentType = "application/octet-stream";
         public const string NuGetPackageFileExtension = ".nupkg";
@@ -79,4 +79,4 @@ public static class StatisticsDimensions
             public const string Operation = "Operation";
         }
     }
-}
\ No newline at end of file
+}