diff --git a/ViVe/NativeMethods.cs b/ViVe/NativeMethods.cs
index bf80ade..22b729b 100644
--- a/ViVe/NativeMethods.cs
+++ b/ViVe/NativeMethods.cs
@@ -28,7 +28,7 @@ public static class NativeMethods
         [DllImport("ntdll.dll")]
         public static extern int RtlQueryAllFeatureConfigurations(
             FeatureConfigurationSection sectionType,
-            ref uint changeStamp,
+            ref ulong changeStamp,
             IntPtr buffer,
             ref int featureCount
             );
@@ -37,12 +37,12 @@ public static class NativeMethods
         public static extern int RtlQueryFeatureConfiguration(
             uint featureId,
             FeatureConfigurationSection sectionType,
-            ref uint changeStamp,
+            ref ulong changeStamp,
             IntPtr buffer
             );
 
         [DllImport("ntdll.dll")]
-        public static extern uint RtlQueryFeatureConfigurationChangeStamp();
+        public static extern ulong RtlQueryFeatureConfigurationChangeStamp();
 
         [DllImport("ntdll.dll")]
         public static extern int RtlQueryFeatureUsageNotificationSubscriptions(
@@ -52,7 +52,7 @@ IntPtr buffer
 
         [DllImport("ntdll.dll")]
         public static extern int RtlSetFeatureConfigurations(
-            ref uint changeStamp,
+            ref ulong changeStamp,
             FeatureConfigurationSection sectionType,
             byte[] buffer,
             int featureCount
diff --git a/ViVe/Properties/AssemblyInfo.cs b/ViVe/Properties/AssemblyInfo.cs
index ad94d89..2833174 100644
--- a/ViVe/Properties/AssemblyInfo.cs
+++ b/ViVe/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2020.4.9.1000")]
-[assembly: AssemblyFileVersion("2020.4.9.1000")]
+[assembly: AssemblyVersion("2020.8.11.1001")]
+[assembly: AssemblyFileVersion("2020.8.11.1001")]
diff --git a/ViVe/RtlFeatureManager.cs b/ViVe/RtlFeatureManager.cs
index 22c59e4..f09da93 100644
--- a/ViVe/RtlFeatureManager.cs
+++ b/ViVe/RtlFeatureManager.cs
@@ -29,17 +29,17 @@ public static class RtlFeatureManager
     {
         public static List<FeatureConfiguration> QueryAllFeatureConfigurations()
         {
-            uint dummy = 0;
+            ulong dummy = 0;
             return QueryAllFeatureConfigurations(FeatureConfigurationSection.Runtime, ref dummy);
         }
 
         public static List<FeatureConfiguration> QueryAllFeatureConfigurations(FeatureConfigurationSection section)
         {
-            uint dummy = 0;
+            ulong dummy = 0;
             return QueryAllFeatureConfigurations(section, ref dummy);
         }
 
-        public static List<FeatureConfiguration> QueryAllFeatureConfigurations(FeatureConfigurationSection section, ref uint changeStamp)
+        public static List<FeatureConfiguration> QueryAllFeatureConfigurations(FeatureConfigurationSection section, ref ulong changeStamp)
         {
             int featureCount = 0;
             NativeMethods.RtlQueryAllFeatureConfigurations(section, ref changeStamp, IntPtr.Zero, ref featureCount);
@@ -82,17 +82,17 @@ public static List<FeatureConfiguration> QueryAllFeatureConfigurations(FeatureCo
 
         public static FeatureConfiguration QueryFeatureConfiguration(uint featureId)
         {
-            uint dummy = 0;
+            ulong dummy = 0;
             return QueryFeatureConfiguration(featureId, FeatureConfigurationSection.Runtime, ref dummy);
         }
 
         public static FeatureConfiguration QueryFeatureConfiguration(uint featureId, FeatureConfigurationSection section)
         {
-            uint dummy = 0;
+            ulong dummy = 0;
             return QueryFeatureConfiguration(featureId, section, ref dummy);
         }
 
-        public static FeatureConfiguration QueryFeatureConfiguration(uint featureId, FeatureConfigurationSection section, ref uint changeStamp)
+        public static FeatureConfiguration QueryFeatureConfiguration(uint featureId, FeatureConfigurationSection section, ref ulong changeStamp)
         {
             // One feature config is 12 bytes long
             IntPtr rawBuf = Marshal.AllocHGlobal(12);
@@ -116,24 +116,24 @@ public static FeatureConfiguration QueryFeatureConfiguration(uint featureId, Fea
                 VariantPayload = BitConverter.ToInt32(buf, 8) };
         }
 
-        public static uint QueryFeatureConfigurationChangeStamp()
+        public static ulong QueryFeatureConfigurationChangeStamp()
         {
             return NativeMethods.RtlQueryFeatureConfigurationChangeStamp();
         }
 
         public static int SetLiveFeatureConfigurations(List<FeatureConfiguration> configurations)
         {
-            uint dummy = 0;
+            ulong dummy = 0;
             return SetLiveFeatureConfigurations(configurations, FeatureConfigurationSection.Runtime, ref dummy);
         }
 
         public static int SetLiveFeatureConfigurations(List<FeatureConfiguration> configurations, FeatureConfigurationSection section)
         {
-            uint dummy = 0;
+            ulong dummy = 0;
             return SetLiveFeatureConfigurations(configurations, section, ref dummy);
         }
 
-        public static int SetLiveFeatureConfigurations(List<FeatureConfiguration> configurations, FeatureConfigurationSection section, ref uint changeStamp)
+        public static int SetLiveFeatureConfigurations(List<FeatureConfiguration> configurations, FeatureConfigurationSection section, ref ulong changeStamp)
         {
             return NativeMethods.RtlSetFeatureConfigurations(ref changeStamp, section, RtlDataHelpers.SerializeFeatureConfigurations(configurations), configurations.Count);
         }
diff --git a/ViVeTool/Program.cs b/ViVeTool/Program.cs
index 5820b91..700a695 100644
--- a/ViVeTool/Program.cs
+++ b/ViVeTool/Program.cs
@@ -27,7 +27,7 @@ class Program
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("ViVeTool v0.2.0 - Vibranium feature configuration tool\n");
+            Console.WriteLine("ViVeTool v0.2.1 - Vibranium feature configuration tool\n");
             if (args.Length < 1)
             {
                 PrintHelp();