diff --git a/.SRCINFO b/.SRCINFO
index b4d4487..9624832 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,7 +1,7 @@
 pkgbase = nvidia-340xx
 	pkgdesc = NVIDIA drivers for linux, 340xx legacy branch
 	pkgver = 340.108
-	pkgrel = 32
+	pkgrel = 33
 	url = https://www.nvidia.com/
 	arch = x86_64
 	license = custom
@@ -24,6 +24,7 @@ pkgbase = nvidia-340xx
 	source = 0010-kernel-5.18.patch
 	source = 0011-kernel-6.0.patch
 	source = 0012-kernel-6.2.patch
+	source = 0013-kernel-6.3.patch
 	b2sums = 6538bbec53b10f8d20977f9b462052625742e9709ef06e24cf2e55de5d0c55f1620a4bb21396cfd89ebc54c32f921ea17e3e47eaa95abcbc24ecbd144fb89028
 	b2sums = 49d99f612e8eee3ab5e34083c25348bfd14ed5fc8a7984dafc0dad7c0ae0df2c0b2a63a1bb993da440eb0a60293d7c753ca3889bd2f51991b8ddc51bce2fe4a8
 	b2sums = 7150233df867a55f57aa5e798b9c7618329d98459fecc35c4acfad2e9772236cb229703c4fa072381c509279d0588173d65f46297231f4d3bfc65a1ef52e65b1
@@ -38,6 +39,7 @@ pkgbase = nvidia-340xx
 	b2sums = d69c9acbe550d5fccca68ca6a0d5095cbcaf887d2bc43704a8eb85533896692f16701eef07ead297881f596f5502c3105bb5bea77b2dcaf6c4dc2b49941f9f19
 	b2sums = 682a7b8e58d2a008531b7e5179e32c0c71adad673891a1057acd1aa26e410d9d93ff607e46257c6701619621cee1a27e613ec9ae19a580acdd6f68f1c1fdedea
 	b2sums = 47681d1e4b16f0b50775120b0a02bc6d279de692cde6086b895eef80bb4598e914ffe1fae81707a771d00f23df60ee4df591dfe042f5b764856d2e07306f3821
+	b2sums = ae16e2a5674a8a93c85aa624e73b1671e85b2be1854caf967986f5764b946f7ca39a1e75c1617ee79da40a8d9a86cc1b17f64a787bc7a8c38f8dca426edeff46
 
 pkgname = nvidia-340xx
 	pkgdesc = NVIDIA drivers for linux, 340xx legacy branch
diff --git a/0013-kernel-6.3.patch b/0013-kernel-6.3.patch
new file mode 100644
index 0000000..86bdc01
--- /dev/null
+++ b/0013-kernel-6.3.patch
@@ -0,0 +1,106 @@
+--- a/kernel/nv-mmap.c	2023-05-03 11:48:48.481814709 +0200
++++ b/kernel/nv-mmap.c	2023-05-03 11:51:39.220313386 +0200
+@@ -312,7 +312,11 @@
+             goto done;
+         }
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++        vm_flags_set(vma, VM_IO);
++#else
+         vma->vm_flags |= VM_IO;
++#endif
+     }
+     else
+     {
+@@ -363,8 +367,13 @@
+ 
+         NV_PRINT_AT(NV_DBG_MEMINFO, at);
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++        vm_flags_set(vma, VM_IO | VM_LOCKED | VM_RESERVED);
++        vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
++#else
+         vma->vm_flags |= (VM_IO | VM_LOCKED | VM_RESERVED);
+         vma->vm_flags |= (VM_DONTEXPAND | VM_DONTDUMP);
++#endif
+     }
+ 
+     if (status == 0)
+@@ -374,8 +383,13 @@
+         if ((prot & NV_PROTECT_WRITEABLE) == 0)
+         {
+             vma->vm_page_prot = NV_PGPROT_READ_ONLY(vma->vm_page_prot);
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++            vm_flags_clear(vma, VM_WRITE);
++            vm_flags_clear(vma, VM_MAYWRITE);
++#else
+             vma->vm_flags &= ~VM_WRITE;
+             vma->vm_flags &= ~VM_MAYWRITE;
++#endif
+         }
+ 
+         vma->vm_ops = &nv_vm_ops;
+--- a/kernel/uvm/nvidia_uvm_lite.c	2023-05-03 12:00:17.508256190 +0200
++++ b/kernel/uvm/nvidia_uvm_lite.c	2023-05-03 12:03:59.160897071 +0200
+@@ -1524,10 +1524,17 @@
+ 
+         vma->vm_ops   = &uvmlite_vma_ops;
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++        // Prohibit copying the vma on fork().
++        vm_flags_set(vma, VM_DONTCOPY);
++        // Prohibt mremap() that would expand the vma.
++        vm_flags_set(vma, VM_DONTEXPAND);
++#else
+         // Prohibit copying the vma on fork().
+         vma->vm_flags |= VM_DONTCOPY;
+         // Prohibt mremap() that would expand the vma.
+         vma->vm_flags |= VM_DONTEXPAND;
++#endif
+ 
+         // Other cases of vma modification are detected in _mmap_open().
+ 
+@@ -1546,9 +1553,15 @@
+             return -EINVAL;
+ 
+         vma->vm_ops = &counters_vma_ops;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++        vm_flags_clear(vma, VM_MAYWRITE);
++        // prevent vm_insert_page from modifying the vma's flags:
++        vm_flags_set(vma, VM_MIXEDMAP);
++#else
+         vma->vm_flags &= ~VM_MAYWRITE;
+         // prevent vm_insert_page from modifying the vma's flags:
+         vma->vm_flags |= VM_MIXEDMAP;
++#endif
+         ret = 0;
+     }
+     UVM_DBG_PRINT_RL("vma 0x%p [0x%p, 0x%p) ret %d pgoff"
+@@ -2527,8 +2540,13 @@
+     // Subsequent access from userspace after the pages are unmapped will cause
+     // a SIGSEGV.
+     //
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++    vm_flags_clear(vma, VM_READ|VM_MAYREAD);
++    vm_flags_clear(vma, VM_WRITE|VM_MAYWRITE);
++#else
+     vma->vm_flags &= ~(VM_READ|VM_MAYREAD);
+     vma->vm_flags &= ~(VM_WRITE|VM_MAYWRITE);
++#endif
+ }
+ 
+ //
+@@ -2536,8 +2554,13 @@
+ //
+ static void _set_vma_accessible(struct vm_area_struct * vma)
+ {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
++    vm_flags_set(vma, VM_READ|VM_MAYREAD);
++    vm_flags_set(vma, VM_WRITE|VM_MAYWRITE);
++#else
+     vma->vm_flags |= (VM_READ|VM_MAYREAD);
+     vma->vm_flags |= (VM_WRITE|VM_MAYWRITE);
++#endif
+ }
+ 
+ //
diff --git a/PKGBUILD b/PKGBUILD
index 5c7f22d..d577813 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -6,7 +6,7 @@
 pkgbase=nvidia-340xx
 pkgname=(nvidia-340xx nvidia-340xx-dkms); [ -n "$NVIDIA_340XX_DKMS_ONLY" ] && pkgname=(nvidia-340xx-dkms)
 pkgver=340.108
-pkgrel=32
+pkgrel=33
 pkgdesc="NVIDIA drivers for linux, 340xx legacy branch"
 arch=('x86_64')
 url="https://www.nvidia.com/"
@@ -29,6 +29,7 @@ source=("https://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/NVIDIA-Li
   0010-kernel-5.18.patch
   0011-kernel-6.0.patch
   0012-kernel-6.2.patch
+  0013-kernel-6.3.patch
 )
 b2sums=('6538bbec53b10f8d20977f9b462052625742e9709ef06e24cf2e55de5d0c55f1620a4bb21396cfd89ebc54c32f921ea17e3e47eaa95abcbc24ecbd144fb89028'
         '49d99f612e8eee3ab5e34083c25348bfd14ed5fc8a7984dafc0dad7c0ae0df2c0b2a63a1bb993da440eb0a60293d7c753ca3889bd2f51991b8ddc51bce2fe4a8'
@@ -43,7 +44,8 @@ b2sums=('6538bbec53b10f8d20977f9b462052625742e9709ef06e24cf2e55de5d0c55f1620a4bb
         '0266e1baaac9ffbb94d9e916a693b1663d8686b15e970bfc30f7c51f051a0af9267aa5f6a12b68586c69d2e9796a1124488b3997ba4b26db1a5ac10a892f0df2'
         'd69c9acbe550d5fccca68ca6a0d5095cbcaf887d2bc43704a8eb85533896692f16701eef07ead297881f596f5502c3105bb5bea77b2dcaf6c4dc2b49941f9f19'
         '682a7b8e58d2a008531b7e5179e32c0c71adad673891a1057acd1aa26e410d9d93ff607e46257c6701619621cee1a27e613ec9ae19a580acdd6f68f1c1fdedea'
-        '47681d1e4b16f0b50775120b0a02bc6d279de692cde6086b895eef80bb4598e914ffe1fae81707a771d00f23df60ee4df591dfe042f5b764856d2e07306f3821')
+        '47681d1e4b16f0b50775120b0a02bc6d279de692cde6086b895eef80bb4598e914ffe1fae81707a771d00f23df60ee4df591dfe042f5b764856d2e07306f3821'
+        'ae16e2a5674a8a93c85aa624e73b1671e85b2be1854caf967986f5764b946f7ca39a1e75c1617ee79da40a8d9a86cc1b17f64a787bc7a8c38f8dca426edeff46')
 _pkg="NVIDIA-Linux-x86_64-${pkgver}-no-compat32"
 
 # default is 'linux' substitute custom name here