diff --git a/CHANGES b/CHANGES
index bf55fff..5aeb959 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,24 +5,24 @@
 Promotion history for /spvgen/external
 
 [glslang]
-Commit: f8dd5add
-Date: 2023/10/30
-f8dd5add Bump github/codeql-action from 2.22.4 to 2.22.5
+Commit: 57d86ab7
+Date: 2024/1/9
+57d86ab7 cmake: remove generation of deprecated *Targets.cmake files
 
 [SPIRV-tools]
-Commit: 4f014aff
-Date: 2023/10/26
-4f014aff Roll external/re2/ 601d9ea3e..a0b3bc60c (1 commit) (#5453)
+Commit: c96fe8b9
+Date: 2024/1/18
+c96fe8b9 spirv-val: Re-enable OpControlBarrier VU (#5527)
 
 [SPIRV-headers]
-Commit: 88bc5e3
-Date: 2023/10/18
-88bc5e3 Headers support for new FPGAMemoryAttributesINTEL (#384)
+Commit: 7b030970
+Date: 2024/1/17
+7b030970 Register Zig Compiler tool (#405)
 
 [SPIRV-cross]
-Commit: 637cff3d
-Date: 2023/10/23
-637cff3d Merge pull request #2220 from KhronosGroup/pr-2208
+Commit: 64f64c83
+Date: 2024/1/16
+64f64c83 Merge pull request #2266 from KhronosGroup/pr-2257
 
 
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8324f91..607d713 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 ##
  #######################################################################################################################
  #
- #  Copyright (c) 2023 Advanced Micro Devices, Inc. All Rights Reserved.
+ #  Copyright (c) 2024 Advanced Micro Devices, Inc. All Rights Reserved.
  #
  #  Permission is hereby granted, free of charge, to any person obtaining a copy
  #  of this software and associated documentation files (the "Software"), to deal
@@ -56,16 +56,8 @@ set(SPIRV_SKIP_TESTS TRUE CACHE BOOL "" FORCE)
 set(SPIRV_SKIP_EXECUTABLES ON CACHE BOOL "OGLP override." FORCE)
 set(SPIRV_CROSS_ENABLE_TESTS OFF CACHE BOOL "OGLP override." FORCE)
 set(SPIRV_CROSS_CLI OFF CACHE BOOL "OGLP override." FORCE)
-set(ENABLE_OPT OFF CACHE BOOL "" FORCE)
 
 # Build third party targets
-if(EXISTS ${THIRD_PARTY_PATH}/glslang)
-    set(GLSLANG_PATH ${THIRD_PARTY_PATH}/glslang)
-else()
-    set(GLSLANG_PATH ${PROJECT_SOURCE_DIR}/external/glslang)
-endif()
-add_subdirectory(${GLSLANG_PATH} external/glslang)
-
 if(EXISTS ${THIRD_PARTY_PATH}/SPIRV-tools)
     set(SPIRV_TOOLS_PATH ${THIRD_PARTY_PATH}/SPIRV-tools)
 else()
@@ -74,6 +66,13 @@ endif()
 set(SPIRV_WERROR ${SPVGEN_ENABLE_WERROR} CACHE BOOL "${PROJECT_NAME} override." FORCE)
 add_subdirectory(${SPIRV_TOOLS_PATH} external/SPIRV-tools)
 
+if(EXISTS ${THIRD_PARTY_PATH}/glslang)
+    set(GLSLANG_PATH ${THIRD_PARTY_PATH}/glslang)
+else()
+    set(GLSLANG_PATH ${PROJECT_SOURCE_DIR}/external/glslang)
+endif()
+add_subdirectory(${GLSLANG_PATH} external/glslang)
+
 if(EXISTS ${THIRD_PARTY_PATH}/SPIRV-cross)
     set(SPIRV_CROSS_PATH ${THIRD_PARTY_PATH}/SPIRV-cross)
 else()
@@ -98,7 +97,7 @@ PRIVATE
     ${SPIRV_CROSS_PATH}
 )
 
-target_link_libraries(spvgen_base glslang HLSL OGLCompiler SPIRV SPIRV-Tools SPIRV-Tools-opt spirv-cross-c)
+target_link_libraries(spvgen_base glslang SPIRV SPIRV-Tools SPIRV-Tools-opt spirv-cross-c)
 
 # Touch an empty source file
 set(EMPTY_SOURCE_FILES ${CMAKE_CURRENT_BINARY_DIR}/empty.cpp)
@@ -123,12 +122,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     set_property(TARGET spvgen_static PROPERTY FOLDER spvgen)
     set_property(TARGET glslang PROPERTY FOLDER spvgen/glslang)
     set_property(TARGET GenericCodeGen PROPERTY FOLDER spvgen/glslang)
-    set_property(TARGET MachineIndependent PROPERTY FOLDER spvgen/glslang)
-    set_property(TARGET OGLCompiler PROPERTY FOLDER spvgen/glslang)
-    set_property(TARGET OSDependent PROPERTY FOLDER spvgen/glslang)
     set_property(TARGET SPIRV PROPERTY FOLDER spvgen/glslang)
-    set_property(TARGET SPVRemapper PROPERTY FOLDER spvgen/glslang)
-    set_property(TARGET HLSL PROPERTY FOLDER spvgen/glslang)
 
     set_property(TARGET spirv-cross-c PROPERTY FOLDER spvgen/spirv-cross)
     set_property(TARGET spirv-cross-core PROPERTY FOLDER spvgen/spirv-cross)
diff --git a/external/fetch_external_sources.py b/external/fetch_external_sources.py
index af3dad1..00a4399 100644
--- a/external/fetch_external_sources.py
+++ b/external/fetch_external_sources.py
@@ -2,7 +2,7 @@
 ##
  #######################################################################################################################
  #
- #  Copyright (c) 2023 Advanced Micro Devices, Inc. All Rights Reserved.
+ #  Copyright (c) 2024 Advanced Micro Devices, Inc. All Rights Reserved.
  #
  #  Permission is hereby granted, free of charge, to any person obtaining a copy
  #  of this software and associated documentation files (the "Software"), to deal
diff --git a/include/spvgen.h b/include/spvgen.h
index 63fe2e9..b4df082 100644
--- a/include/spvgen.h
+++ b/include/spvgen.h
@@ -1,7 +1,7 @@
 /*
  ***********************************************************************************************************************
  *
- *  Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All Rights Reserved.
+ *  Copyright (c) 2015-2024 Advanced Micro Devices, Inc. All Rights Reserved.
  *
  *  Permission is hereby granted, free of charge, to any person obtaining a copy
  *  of this software and associated documentation files (the "Software"), to deal
diff --git a/source/spvgen.cpp b/source/spvgen.cpp
index b37db44..ec4859c 100644
--- a/source/spvgen.cpp
+++ b/source/spvgen.cpp
@@ -1,7 +1,7 @@
 /*
  ***********************************************************************************************************************
  *
- *  Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All Rights Reserved.
+ *  Copyright (c) 2015-2024 Advanced Micro Devices, Inc. All Rights Reserved.
  *
  *  Permission is hereby granted, free of charge, to any person obtaining a copy
  *  of this software and associated documentation files (the "Software"), to deal