diff --git a/gzdoom-vulkan.patch b/gzdoom-vulkan.patch
index 1197331..1fe3a33 100644
--- a/gzdoom-vulkan.patch
+++ b/gzdoom-vulkan.patch
@@ -6,13 +6,13 @@ Use Vulkan/glslang/spirv system libraries instead of bundled code.
 ---
  CMakeLists.txt                                     |    4 +---
  src/CMakeLists.txt                                 |    2 +-
- src/common/rendering/vulkan/system/vk_builders.cpp |    1 +
- 3 files changed, 3 insertions(+), 4 deletions(-)
+ src/common/rendering/vulkan/system/vk_builders.cpp |    2 ++
+ 3 files changed, 4 insertions(+), 4 deletions(-)
 
-Index: gzdoom-g4.8.1/CMakeLists.txt
+Index: gzdoom-g4.8.2/CMakeLists.txt
 ===================================================================
---- gzdoom-g4.8.1.orig/CMakeLists.txt
-+++ gzdoom-g4.8.1/CMakeLists.txt
+--- gzdoom-g4.8.2.orig/CMakeLists.txt
++++ gzdoom-g4.8.2/CMakeLists.txt
 @@ -325,9 +325,7 @@ option(FORCE_INTERNAL_ASMJIT "Use intern
  mark_as_advanced( FORCE_INTERNAL_ASMJIT )
  
@@ -24,10 +24,10 @@ Index: gzdoom-g4.8.1/CMakeLists.txt
  endif()
  
  add_subdirectory( libraries/discordrpc EXCLUDE_FROM_ALL )
-Index: gzdoom-g4.8.1/src/CMakeLists.txt
+Index: gzdoom-g4.8.2/src/CMakeLists.txt
 ===================================================================
---- gzdoom-g4.8.1.orig/src/CMakeLists.txt
-+++ gzdoom-g4.8.1/src/CMakeLists.txt
+--- gzdoom-g4.8.2.orig/src/CMakeLists.txt
++++ gzdoom-g4.8.2/src/CMakeLists.txt
 @@ -368,7 +368,7 @@ add_custom_target( revision_check ALL
  
  set( PROJECT_LIBRARIES ${PROJECT_LIBRARIES} "${ZLIB_LIBRARIES}" "${JPEG_LIBRARIES}" "${BZIP2_LIBRARIES}" "${CMAKE_DL_LIBS}" "${DRPC_LIBRARIES}")
@@ -37,10 +37,10 @@ Index: gzdoom-g4.8.1/src/CMakeLists.txt
  endif()
  
  # ZMUSIC
-Index: gzdoom-g4.8.1/src/common/rendering/vulkan/system/vk_builders.cpp
+Index: gzdoom-g4.8.2/src/common/rendering/vulkan/system/vk_builders.cpp
 ===================================================================
---- gzdoom-g4.8.1.orig/src/common/rendering/vulkan/system/vk_builders.cpp
-+++ gzdoom-g4.8.1/src/common/rendering/vulkan/system/vk_builders.cpp
+--- gzdoom-g4.8.2.orig/src/common/rendering/vulkan/system/vk_builders.cpp
++++ gzdoom-g4.8.2/src/common/rendering/vulkan/system/vk_builders.cpp
 @@ -25,6 +25,7 @@
  #include "renderstyle.h"
  #include <ShaderLang.h>
@@ -49,3 +49,11 @@ Index: gzdoom-g4.8.1/src/common/rendering/vulkan/system/vk_builders.cpp
  
  static const TBuiltInResource DefaultTBuiltInResource = {
  	/* .MaxLights = */ 32,
+@@ -119,6 +120,7 @@ static const TBuiltInResource DefaultTBu
+ 	/* .maxTaskWorkGroupSizeY_NV = */ 1,
+ 	/* .maxTaskWorkGroupSizeZ_NV = */ 1,
+ 	/* .maxMeshViewCountNV = */ 4,
++	256, 256, 128, 128, 128, 128, 128, 128, 4,
+ 	/* .maxDualSourceDrawBuffersEXT = */ 1,
+ 
+ 	/* .limits = */ {
diff --git a/gzdoom.changes b/gzdoom.changes
index 648f5cd..a197041 100644
--- a/gzdoom.changes
+++ b/gzdoom.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Oct 24 23:24:06 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
+
+- Update gzdoom-vulkan.patch for glslang-11.12.
+
 -------------------------------------------------------------------
 Sun Jul 24 07:43:09 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gzdoom.spec b/gzdoom.spec
index dbf541f..76ff07f 100644
--- a/gzdoom.spec
+++ b/gzdoom.spec
@@ -50,7 +50,7 @@ BuildRequires:  pkgconfig(sdl2) >= 2.0.6
 BuildRequires:  pkgconfig(vpx)
 BuildRequires:  pkgconfig(zlib)
 %if 0%{?suse_version} >= 1550
-BuildRequires:  glslang-devel
+BuildRequires:  glslang-devel >= 11.12
 BuildRequires:  pkgconfig(vulkan) >= 1.2.162
 %else
 Provides:       bundled(glslang) = 11.10.0