diff --git a/shaderc-pr1264-GL_EXT_mesh_shader-support.patch b/shaderc-pr1264-GL_EXT_mesh_shader-support.patch
deleted file mode 100644
index 6c28595..0000000
--- a/shaderc-pr1264-GL_EXT_mesh_shader-support.patch
+++ /dev/null
@@ -1,50 +0,0 @@
-From 729aa2f92569b4a419ddda8fc0ccfadbf7dbc3f7 Mon Sep 17 00:00:00 2001
-From: Pankaj Mistry <pmistry@nvidia.com>
-Date: Wed, 29 Sep 2021 01:10:42 -0700
-Subject: [PATCH] Implement default builtin constants needed for
- GL_EXT_mesh_shader.
-
----
- DEPS                             | 6 +++---
- libshaderc_util/src/resources.cc | 9 +++++++++
- 2 files changed, 12 insertions(+), 3 deletions(-)
-
-diff --git a/DEPS b/DEPS
-index 01ce19d5e..68fac7869 100644
---- a/DEPS
-+++ b/DEPS
-@@ -5,11 +5,11 @@ vars = {
-   'khronos_git': 'https://github.com/KhronosGroup',
- 
-   'effcee_revision' : '2ec8f8738118cc483b67c04a759fee53496c5659',
--  'glslang_revision': 'f771c1293dce29e1ac3557cf994169136155c81f',
-+  'glslang_revision': 'a53aa3e94f8b4bf22a6eb6e8a207fe91ab02b989',
-   'googletest_revision': '389cb68b87193358358ae87cc56d257fd0d80189',
-   're2_revision': '7107ebc4fbf7205151d8d2a57b2fc6e7853125d4',
--  'spirv_headers_revision': '0bcc624926a25a2a273d07877fd25a6ff5ba1cfb',
--  'spirv_tools_revision': '3a8a961cffb7699422a05dcbafdd721226b4547d',
-+  'spirv_headers_revision': '87d5b782bec60822aa878941e6b13c0a9a954c9b',
-+  'spirv_tools_revision': '4c456f7da67c5437a6fb7d4d20d78e2a5ae2acf2',
- }
- 
- deps = {
-diff --git a/libshaderc_util/src/resources.cc b/libshaderc_util/src/resources.cc
-index d64e47fa0..6c662d3db 100644
---- a/libshaderc_util/src/resources.cc
-+++ b/libshaderc_util/src/resources.cc
-@@ -125,6 +125,15 @@ const TBuiltInResource kDefaultTBuiltInResource = {
-     /* .maxTaskWorkGroupSizeY_NV = */ 1,
-     /* .maxTaskWorkGroupSizeZ_NV = */ 1,
-     /* .maxMeshViewCountNV = */ 4,
-+    /* .maxMeshOutputVerticesEXT = */ 256,
-+    /* .maxMeshOutputPrimitivesEXT = */ 256,
-+    /* .maxMeshWorkGroupSizeX_EXT = */ 128,
-+    /* .maxMeshWorkGroupSizeY_EXT = */ 128,
-+    /* .maxMeshWorkGroupSizeZ_EXT = */ 128,
-+    /* .maxTaskWorkGroupSizeX_EXT = */ 128,
-+    /* .maxTaskWorkGroupSizeY_EXT = */ 128,
-+    /* .maxTaskWorkGroupSizeZ_EXT = */ 128,
-+    /* .maxMeshViewCountEXT = */ 4,
-     /* .maxDualSourceDrawBuffersEXT = */ 1,
-     // This is the glslang TLimits structure.
-     // It defines whether or not the following features are enabled.
diff --git a/shaderc.spec b/shaderc.spec
index 68bd226..cea041d 100644
--- a/shaderc.spec
+++ b/shaderc.spec
@@ -1,16 +1,16 @@
 # Force out of source build
 %undefine __cmake_in_source_build
 
-# Release 2022.3
-%global commit          551f106dc64a1cacb298cc2f05613d142b53302f
+# Release 2023.1
+%global commit          d0b02222f33e1e5e1f521e4e4e1cbfa7fe2cf540
 %global shortcommit     %(c=%{commit}; echo ${c:0:7})
-%global snapshotdate    20221023
+%global snapshotdate    20230116
 
 # Glslang revision from packaged version
-%global glslang_version 73c9630da979017b2f7e19c6549e2bdb93d9b238
+%global glslang_version ca8d07d0bc1c6390b83915700439fa7719de6a2a
 
 Name:           shaderc
-Version:        2022.2
+Version:        2023.1
 Release:        %autorelease
 Summary:        A collection of tools, libraries, and tests for Vulkan shader compilation
 
@@ -20,10 +20,6 @@ Source0:        %url/archive/%{commit}/%{name}-%{shortcommit}.tar.gz
 # Patch to unbundle 3rd party code
 Patch1:         0001-Drop-third-party-code-in-CMakeLists.txt.patch
 Patch2:         glslang_linker_flags.patch
-# https://github.com/google/shaderc/pull/1264
-# Included in 2022.3
-# Related to https://github.com/KhronosGroup/SPIRV-Tools/pull/4915 (SDK 1.3.231.1)
-Patch3:         shaderc-pr1264-GL_EXT_mesh_shader-support.patch
 
 BuildRequires:  cmake3
 BuildRequires:  gcc-c++