diff --git a/External/MathLib b/External/MathLib
index 5e5e9f07..a550dda9 160000
--- a/External/MathLib
+++ b/External/MathLib
@@ -1 +1 @@
-Subproject commit 5e5e9f076ebb16f48f7842888c36d584c99bc84c
+Subproject commit a550dda9cd28cce24cbb0263cc8defa1809697dd
diff --git a/Include/NRD.h b/Include/NRD.h
index 79fde836..9cacfc83 100644
--- a/Include/NRD.h
+++ b/Include/NRD.h
@@ -29,8 +29,8 @@ license agreement from NVIDIA CORPORATION is strictly prohibited.
 
 #define NRD_VERSION_MAJOR 4
 #define NRD_VERSION_MINOR 1
-#define NRD_VERSION_BUILD 1
-#define NRD_VERSION_DATE "30 March 2023"
+#define NRD_VERSION_BUILD 2
+#define NRD_VERSION_DATE "5 April 2023"
 
 #if defined(_MSC_VER)
     #define NRD_CALL __fastcall
diff --git a/README.md b/README.md
index 9ae2af20..3eb9cd13 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# NVIDIA REAL-TIME DENOISERS v4.1.1 (NRD)
+# NVIDIA REAL-TIME DENOISERS v4.1.2 (NRD)
 
 [![Build NRD SDK](https://github.com/NVIDIAGameWorks/RayTracingDenoiser/actions/workflows/build.yml/badge.svg)](https://github.com/NVIDIAGameWorks/RayTracingDenoiser/actions/workflows/build.yml)
 
diff --git a/Resources/Version.h b/Resources/Version.h
index 65083c83..de6625f5 100644
--- a/Resources/Version.h
+++ b/Resources/Version.h
@@ -23,7 +23,7 @@ Versioning rules:
 
 #define VERSION_MAJOR                   4
 #define VERSION_MINOR                   1
-#define VERSION_BUILD                   1
+#define VERSION_BUILD                   2
 #define VERSION_REVISION                0
 
 #define VERSION_STRING STR(VERSION_MAJOR.VERSION_MINOR.VERSION_BUILD.VERSION_REVISION)
diff --git a/Shaders/Include/Common.hlsli b/Shaders/Include/Common.hlsli
index 35ab07fa..4b1f3157 100644
--- a/Shaders/Include/Common.hlsli
+++ b/Shaders/Include/Common.hlsli
@@ -134,9 +134,9 @@ float4 GetBlurKernelRotation( compiletime const uint mode, uint2 pixelPos, float
     }
     else if( mode == NRD_RANDOM )
     {
-        STL::Rng::Initialize( pixelPos, frameIndex );
+        STL::Rng::Hash::Initialize( pixelPos, frameIndex );
 
-        float2 rnd = STL::Rng::GetFloat2( );
+        float2 rnd = STL::Rng::Hash::GetFloat2( );
         float4 rotator = STL::Geometry::GetRotator( rnd.x * STL::Math::Pi( 2.0 ) );
         rotator *= 1.0 + ( rnd.y * 2.0 - 1.0 ) * 0.5;
 
diff --git a/Shaders/Include/RELAX/RELAX_DiffuseSpecular_Atrous.hlsli b/Shaders/Include/RELAX/RELAX_DiffuseSpecular_Atrous.hlsli
index fe1fc597..5da5932b 100644
--- a/Shaders/Include/RELAX/RELAX_DiffuseSpecular_Atrous.hlsli
+++ b/Shaders/Include/RELAX/RELAX_DiffuseSpecular_Atrous.hlsli
@@ -132,8 +132,8 @@ NRD_EXPORT void NRD_CS_MAIN(uint2 pixelPos : SV_DispatchThreadId)
     int2 offset = 0;
     if (gStepSize > 4)
     {
-        STL::Rng::Initialize(pixelPos, gFrameIndex);
-        offset = int2(gStepSize.xx * 0.5 * (STL::Rng::GetFloat2() - 0.5));
+        STL::Rng::Hash::Initialize(pixelPos, gFrameIndex);
+        offset = int2(gStepSize.xx * 0.5 * (STL::Rng::Hash::GetFloat2() - 0.5));
     }
 
     [unroll]