diff -Nru nvidia-graphics-drivers-450-server-450.236.01/debian/changelog nvidia-graphics-drivers-450-server-450.236.01/debian/changelog
--- nvidia-graphics-drivers-450-server-450.236.01/debian/changelog	2023-05-22 08:51:14.000000000 +0000
+++ nvidia-graphics-drivers-450-server-450.236.01/debian/changelog	2023-06-01 11:32:51.000000000 +0000
@@ -1,3 +1,10 @@
+nvidia-graphics-drivers-450-server (450.236.01-0ubuntu3) mantic; urgency=medium
+
+  * debian/dkms_nvidia/patches/buildfix_kernel_6.3.patch:
+    - add a missing include
+
+ -- Paolo Pisati <paolo.pisati@canonical.com>  Thu, 01 Jun 2023 11:32:51 +0000
+
 nvidia-graphics-drivers-450-server (450.236.01-0ubuntu2) mantic; urgency=medium
 
   * debian/dkms_nvidia/patches/buildfix_kernel_6.3.patch:
diff -Nru nvidia-graphics-drivers-450-server-450.236.01/debian/dkms_nvidia/patches/buildfix_kernel_6.3.patch nvidia-graphics-drivers-450-server-450.236.01/debian/dkms_nvidia/patches/buildfix_kernel_6.3.patch
--- nvidia-graphics-drivers-450-server-450.236.01/debian/dkms_nvidia/patches/buildfix_kernel_6.3.patch	2023-05-22 08:51:14.000000000 +0000
+++ nvidia-graphics-drivers-450-server-450.236.01/debian/dkms_nvidia/patches/buildfix_kernel_6.3.patch	2023-06-01 11:32:51.000000000 +0000
@@ -24,6 +24,14 @@
 index 42294590..aeb36c72 100644
 --- a/nvidia-drm/nvidia-drm-gem-user-memory.c
 +++ b/nvidia-drm/nvidia-drm-gem-user-memory.c
+@@ -35,6 +35,7 @@
+ #include "linux/dma-buf.h"
+ #include "linux/mm.h"
+ #include "nv-mm.h"
++#include "nv-linux.h"
+ 
+ static inline
+ void __nv_drm_gem_user_memory_free(struct nv_drm_gem_object *nv_gem)
 @@ -95,9 +95,9 @@ static bool __nv_drm_gem_user_memory_adjust_mmap_flags(
          return false;
      }