diff --git a/fix_maybe-uninitialized_error.patch b/fix_maybe-uninitialized_error.patch
new file mode 100644
index 0000000..96db394
--- /dev/null
+++ b/fix_maybe-uninitialized_error.patch
@@ -0,0 +1,36 @@
+From 19d76588037977f59506c18aa3d307f8f5124d0f Mon Sep 17 00:00:00 2001
+From: Axel Gneiting <axelgneiting@gmail.com>
+Date: Sat, 29 Apr 2023 17:59:07 -0700
+Subject: [PATCH] Fix warnings with GCC 13
+
+Those were not actual bugs
+---
+ Quake/gl_heap.c | 2 +-
+ Quake/sv_phys.c | 1 +
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/Quake/gl_heap.c b/Quake/gl_heap.c
+index d2a0ccfa2..db55ad0b0 100644
+--- a/Quake/gl_heap.c
++++ b/Quake/gl_heap.c
+@@ -645,7 +645,7 @@ glheapallocation_t *GL_HeapAllocate (glheap_t *heap, VkDeviceSize size, VkDevice
+ 
+ 	if (size < heap->segment_size)
+ 	{
+-		allocinfo_t		   alloc_info;
++		ZEROED_STRUCT (allocinfo_t, alloc_info);
+ 		const VkDeviceSize size_alignment_max = q_max (size, alignment);
+ 		alloc_info.is_small_alloc = size_alignment_max <= heap->page_size / 2;
+ 		if (alloc_info.is_small_alloc)
+diff --git a/Quake/sv_phys.c b/Quake/sv_phys.c
+index 3f57f53e2..f214aea22 100644
+--- a/Quake/sv_phys.c
++++ b/Quake/sv_phys.c
+@@ -276,6 +276,7 @@ int SV_FlyMove (edict_t *ent, float time, trace_t *steptrace)
+ 	blocked = 0;
+ 	VectorCopy (ent->v.velocity, original_velocity);
+ 	VectorCopy (ent->v.velocity, primal_velocity);
++	VectorCopy (ent->v.velocity, new_velocity);
+ 	numplanes = 0;
+ 
+ 	time_left = time;
diff --git a/vkQuake-1.30.0.tar.gz b/vkQuake-1.30.0.tar.gz
deleted file mode 100644
index 0be73a2..0000000
--- a/vkQuake-1.30.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:073c8f0f734d0c2404e3ad77e9c8be56048b7569b147a1a0e5b292bf964a9a60
-size 47516157
diff --git a/vkQuake-1.30.1.tar.gz b/vkQuake-1.30.1.tar.gz
new file mode 100644
index 0000000..d286d6f
--- /dev/null
+++ b/vkQuake-1.30.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b88d3dfc869d89820766e2dd18bdadb9681adfc4c9d05e09cbbebcc17ef1d150
+size 47516278
diff --git a/vkquake.changes b/vkquake.changes
index 10de351..6950096 100644
--- a/vkquake.changes
+++ b/vkquake.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Fri May  5 15:53:59 UTC 2023 - Jaime Marquínez Ferrándiz <jaime.marquinez.ferrandiz@fastmail.net>
+
+- Add fix_maybe-uninitialized_error.patch
+
+-------------------------------------------------------------------
+Sat Mar 18 19:13:47 UTC 2023 - Martin Hauke <mardnh@gmx.de>
+
+- Update to version 1.33.1
+  * Add a workaround for AMD driver bug causing corrupted sky and
+    a minor Vulkan correctness fix.
+
 -------------------------------------------------------------------
 Tue Mar 14 12:33:56 UTC 2023 - Michael Pujos <pujos.michael@gmail.com>
 
diff --git a/vkquake.spec b/vkquake.spec
index 5f7d189..b4daca3 100644
--- a/vkquake.spec
+++ b/vkquake.spec
@@ -18,7 +18,7 @@
 
 
 Name:           vkquake
-Version:        1.30.0
+Version:        1.30.1
 Release:        0
 Summary:        Quake 1 port using Vulkan instead of OpenGL for rendering
 License:        GPL-2.0-or-later
@@ -28,6 +28,8 @@ Source:         https://github.com/Novum/vkQuake/archive/refs/tags/%{version}.ta
 Source99:       %{name}.changes
 Source100:      appdata.xml
 Source101:      %{name}.desktop
+# PATCH-FIX-UPSTREAM https://github.com/Novum/vkQuake/issues/688
+Patch1:         fix_maybe-uninitialized_error.patch
 BuildRequires:  glslang-devel
 BuildRequires:  pkgconfig
 BuildRequires:  vulkan-devel >= 1.2.162
@@ -43,7 +45,7 @@ vkQuake is a Quake 1 port using Vulkan instead of OpenGL for rendering. It is ba
 Game data must be placed in ~/.vkquake/id1 .
 
 %prep
-%autosetup -n vkQuake-%{version}
+%autosetup -n vkQuake-%{version} -p1
 
 %if 0%{?sle_version} < 150200
 sed -i 's#vulkan_core.h#vulkan.h#' Quake/quakedef.h