diff --git a/nvidia_470-470.161.03-ignore_cc_mismatch.patch b/nvidia_470-470.161.03-ignore_cc_mismatch.patch
new file mode 100644
index 0000000..909e88f
--- /dev/null
+++ b/nvidia_470-470.161.03-ignore_cc_mismatch.patch
@@ -0,0 +1,11 @@
+--- NVIDIA-Linux-x86_64-470.161.03/kernel/conftest.sh.orig	2023-07-27 18:03:50.103252092 +0200
++++ NVIDIA-Linux-x86_64-470.161.03/kernel/conftest.sh	2023-07-27 18:03:55.130225224 +0200
+@@ -4955,7 +4955,7 @@
+                 echo "The kernel was built with ${kernel_cc_string}, but the" \
+                      "current compiler version is `$CC --version | head -n 1`.";
+             fi
+-            exit 1;
++            exit 0;
+         fi
+     ;;
+ 
diff --git a/nvidia_470-470.161.03-kernel-6.4.patch b/nvidia_470-470.161.03-kernel-6.4.patch
new file mode 100644
index 0000000..966d58e
--- /dev/null
+++ b/nvidia_470-470.161.03-kernel-6.4.patch
@@ -0,0 +1,35 @@
+From 4981428cda825b415eea60313f71bf386cc9f7e1 Mon Sep 17 00:00:00 2001
+From: Joan Bruguera <joanbrugueram@gmail.com>
+Date: Sat, 25 Feb 2023 10:57:26 +0000
+Subject: [PATCH] Tentative fix for NVIDIA 470.199.02 driver for Linux 6.4-rc1
+
+---
+ nvidia-drm/nvidia-drm-drv.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/nvidia-drm/nvidia-drm-drv.c
++++ b/nvidia-drm/nvidia-drm-drv.c
+@@ -20,6 +20,7 @@
+  * DEALINGS IN THE SOFTWARE.
+  */
+
++#include <linux/version.h>
+ #include "nvidia-drm-conftest.h" /* NV_DRM_AVAILABLE and NV_DRM_DRM_GEM_H_PRESENT */
+
+ #include "nvidia-drm-priv.h"
+@@ -873,9 +874,13 @@
+
+     nv_drm_driver.dumb_create      = nv_drm_dumb_create;
+     nv_drm_driver.dumb_map_offset  = nv_drm_dumb_map_offset;
++// Rel. commit "drm: remove dumb_destroy callback" (Christian König, 26 Jan 2023)
++// NB: No resources are leaked, the kernel releases the same resources by default
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 4, 0)
+ #if defined(NV_DRM_DRIVER_HAS_DUMB_DESTROY)
+     nv_drm_driver.dumb_destroy     = nv_drm_dumb_destroy;
+ #endif /* NV_DRM_DRIVER_HAS_DUMB_DESTROY */
++#endif
+ #endif /* NV_DRM_ATOMIC_MODESET_AVAILABLE */
+ }
+
+--
+2.40.1
diff --git a/nvidia_470.spec b/nvidia_470.spec
index 8c635ad..2d8d215 100644
--- a/nvidia_470.spec
+++ b/nvidia_470.spec
@@ -1,9 +1,9 @@
 %define nvidia_current_ver    %version
 %define nvidia_current_libver %version
 Name:          nvidia_470
-Version:       470.161.03
+Version:       470.199.02
 Epoch:         1
-Release:       2mamba
+Release:       1mamba
 Summary:       NVIDIA proprietary accelerated drivers for the Linux Kernel
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -15,6 +15,8 @@ Source1:       nvidia.sysusers
 Source2:       nvidia-drm-outputclass.conf
 Patch0:        nvidia-331.20-x86-conftest.patch
 Patch1:        nvidia-367.35-kernel-4.6.patch
+Patch2:        nvidia_470-470.161.03-kernel-6.4.patch
+Patch3:        nvidia_470-470.161.03-ignore_cc_mismatch.patch
 License:       no OSI Approved
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -101,6 +103,11 @@ sed -i "s|__UTILS_PATH__|%{_bindir}|;s|__PIXMAP_PATH__|%{_datadir}/pixmaps|" \
 cd current
 #%patch0 -p1
 #%patch1 -p1
+cd kernel
+%patch 2 -p1 -b .kernel-6.4
+cd ..
+%patch 3 -p1
+
 tar xf nvidia-persistenced-init.tar.bz2
 cd ..
 
@@ -401,6 +408,9 @@ INITRAMFS=/boot/initramfs-${KVER}.img
 %doc current/{NVIDIA_Changelog,README.txt} current/html
 
 %changelog
+* Thu Jul 27 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 470.199.02-1mamba
+- update to 470.199.02
+
 * Sat Mar 25 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 470.161.03-2mamba
 - install libnvidia-gtk3.so* to fix nvidia-settings
 - modprobe.d/nvidia.conf: set nvidia_drm.modeset=1