diff --git a/11.11.0.tar.gz b/11.11.0.tar.gz
deleted file mode 100644
index 6083b72..0000000
--- a/11.11.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:26c216c3062512c018cbdd752224b8dad703b7e5bb90bf338ba2dbb5d4f11438
-size 3542123
diff --git a/11.12.0.tar.gz b/11.12.0.tar.gz
new file mode 100644
index 0000000..34a2caa
--- /dev/null
+++ b/11.12.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7795a97450fecd9779f3d821858fbc2d1a3bf1dd602617d95b685ccbcabc302f
+size 3655891
diff --git a/abibreak_bump.diff b/abibreak_bump.diff
new file mode 100644
index 0000000..2d25d68
--- /dev/null
+++ b/abibreak_bump.diff
@@ -0,0 +1,74 @@
+From: Jan Engelhardt <jengelh@inai.de>
+Date: 2022-10-25 02:00:05.861368368 +0200
+References: https://github.com/KhronosGroup/glslang/issues/3052
+
+The ABI break in commit 11.12.0~18^2 causes programs to no longer run.
+Induce a SONAME change.
+---
+ SPIRV/CMakeLists.txt      |    4 ++--
+ StandAlone/CMakeLists.txt |    2 +-
+ glslang/CMakeLists.txt    |    2 +-
+ hlsl/CMakeLists.txt       |    2 +-
+ 4 files changed, 5 insertions(+), 5 deletions(-)
+
+Index: glslang-11.12.0/SPIRV/CMakeLists.txt
+===================================================================
+--- glslang-11.12.0.orig/SPIRV/CMakeLists.txt
++++ glslang-11.12.0/SPIRV/CMakeLists.txt
+@@ -70,7 +70,7 @@ set(SPVREMAP_HEADERS
+     doc.h)
+ 
+ add_library(SPIRV ${LIB_TYPE} ${SOURCES} ${HEADERS})
+-set_target_properties(SPIRV PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}")
++set_target_properties(SPIRV PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}.${GLSLANG_VERSION_MINOR}")
+ set_property(TARGET SPIRV PROPERTY FOLDER glslang)
+ set_property(TARGET SPIRV PROPERTY POSITION_INDEPENDENT_CODE ON)
+ target_include_directories(SPIRV PUBLIC
+@@ -81,7 +81,7 @@ glslang_add_build_info_dependency(SPIRV)
+ 
+ if (ENABLE_SPVREMAPPER)
+     add_library(SPVRemapper ${LIB_TYPE} ${SPVREMAP_SOURCES} ${SPVREMAP_HEADERS})
+-    set_target_properties(SPVRemapper PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}")
++    set_target_properties(SPVRemapper PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}.${GLSLANG_VERSION_MINOR}")
+     set_property(TARGET SPVRemapper PROPERTY FOLDER glslang)
+     set_property(TARGET SPVRemapper PROPERTY POSITION_INDEPENDENT_CODE ON)
+ endif()
+Index: glslang-11.12.0/StandAlone/CMakeLists.txt
+===================================================================
+--- glslang-11.12.0.orig/StandAlone/CMakeLists.txt
++++ glslang-11.12.0/StandAlone/CMakeLists.txt
+@@ -50,7 +50,7 @@ add_custom_command(
+ add_library(glslang-default-resource-limits
+             ${CMAKE_CURRENT_SOURCE_DIR}/ResourceLimits.cpp
+             ${CMAKE_CURRENT_SOURCE_DIR}/resource_limits_c.cpp)
+-set_target_properties(glslang-default-resource-limits PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}")
++set_target_properties(glslang-default-resource-limits PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}.${GLSLANG_VERSION_MINOR}")
+ set_property(TARGET glslang-default-resource-limits PROPERTY FOLDER glslang)
+ set_property(TARGET glslang-default-resource-limits PROPERTY POSITION_INDEPENDENT_CODE ON)
+ 
+Index: glslang-11.12.0/glslang/CMakeLists.txt
+===================================================================
+--- glslang-11.12.0.orig/glslang/CMakeLists.txt
++++ glslang-11.12.0/glslang/CMakeLists.txt
+@@ -169,7 +169,7 @@ set_target_properties(glslang PROPERTIES
+     FOLDER glslang
+     POSITION_INDEPENDENT_CODE ON
+     VERSION   "${GLSLANG_VERSION}"
+-    SOVERSION "${GLSLANG_VERSION_MAJOR}")
++    SOVERSION "${GLSLANG_VERSION_MAJOR}.${GLSLANG_VERSION_MINOR}")
+ target_link_libraries(glslang PRIVATE OGLCompiler OSDependent MachineIndependent)
+ target_include_directories(glslang PUBLIC
+     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>
+Index: glslang-11.12.0/hlsl/CMakeLists.txt
+===================================================================
+--- glslang-11.12.0.orig/hlsl/CMakeLists.txt
++++ glslang-11.12.0/hlsl/CMakeLists.txt
+@@ -40,7 +40,7 @@
+ add_library(HLSL ${LIB_TYPE} "stub.cpp")
+ set_property(TARGET HLSL PROPERTY FOLDER hlsl)
+ set_property(TARGET HLSL PROPERTY POSITION_INDEPENDENT_CODE ON)
+-set_target_properties(HLSL PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}")
++set_target_properties(HLSL PROPERTIES VERSION "${GLSLANG_VERSION}" SOVERSION "${GLSLANG_VERSION_MAJOR}.${GLSLANG_VERSION_MINOR}")
+ 
+ if(WIN32 AND BUILD_SHARED_LIBS)
+     set_target_properties(HLSL PROPERTIES PREFIX "")
diff --git a/baselibs.conf b/baselibs.conf
index b21a9a6..f672e50 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1 +1 @@
-libglslang11
+libglslang11_12
diff --git a/glslang.changes b/glslang.changes
index 15e26e8..51f84f7 100644
--- a/glslang.changes
+++ b/glslang.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Mon Oct 24 19:30:21 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 11.12
+  * Add support for GL_EXT_mesh_shader
+  * Add support for NonSemantic.Shader.DebugInfo.100
+  * Make OpEmitMeshTasksEXT a terminal instruction
+  * Make gl_SubGroupARB a flat in int in Vulkan
+  * Add support for GL_EXT_opacity_micromap
+  * Add preamble support to C interface
+- Add abibreak_bump.diff
+
 -------------------------------------------------------------------
 Fri Sep  9 10:35:49 UTC 2022 - Ralf Habacker <ralf.habacker@freenet.de>
 
diff --git a/glslang.spec b/glslang.spec
index 236dc01..f4fd8ce 100644
--- a/glslang.spec
+++ b/glslang.spec
@@ -16,9 +16,9 @@
 #
 
 
-%define lname libglslang11
+%define lname libglslang11_12
 Name:           glslang
-Version:        11.11.0
+Version:        11.12.0
 Release:        0
 Summary:        OpenGL and OpenGL ES shader front end and validator
 License:        BSD-3-Clause
@@ -27,7 +27,8 @@ URL:            https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/
 #Git-URL:	https://github.com/KhronosGroup/glslang
 Source:         https://github.com/KhronosGroup/glslang/archive/%version.tar.gz
 Source3:        baselibs.conf
-Patch0:         0001-build-set-SOVERSION-on-all-libraries.patch
+Patch1:         0001-build-set-SOVERSION-on-all-libraries.patch
+Patch2:         abibreak_bump.diff
 BuildRequires:  bison
 BuildRequires:  cmake >= 2.8
 BuildRequires:  fdupes
@@ -92,7 +93,6 @@ for i in libOGLCompiler libOSDependent libGenericCodeGen libMachineIndependent;
 	ln -s libglslang.so "$b/%_libdir/$i.so"
 	rm -f "$b/%_libdir/$i.a"
 done
-sed -i 's,\.a",\.so",g' %buildroot%{_datadir}/glslang/glslang-targets-*.cmake
 
 %fdupes %buildroot/%_prefix
 
@@ -116,6 +116,5 @@ sed -i 's,\.a",\.so",g' %buildroot%{_datadir}/glslang/glslang-targets-*.cmake
 %_libdir/libSPVRemapper.so
 %_libdir/libglslang.so
 %_includedir/*
-%_datadir/%name/
 
 %changelog