diff --git a/BUILD.gn b/BUILD.gn
index 74d942d..8b8066f 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -689,7 +689,7 @@
     ":libdawn_native",
     ":libdawn_wire",
     "third_party:glfw",
-    "third_party:libshaderc",
+    "${dawn_shaderc_dir}:libshaderc",
   ]
   libs = []
 
diff --git a/DEPS b/DEPS
index 79b353f..d284c54 100644
--- a/DEPS
+++ b/DEPS
@@ -56,19 +56,19 @@
 
   # SPIRV compiler dependencies: SPIRV-Tools, SPIRV-headers, glslang and shaderc
   'third_party/SPIRV-Tools': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@21bcb9d8b9dba1c7b7e1d0a8f5b6ad7ea26cc5b6',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@1225324ae2450623e62621b91b380644f84c16d1',
     'condition': 'dawn_standalone',
   },
   'third_party/spirv-headers': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@ff684ffc6a35d2a58f0f63108877d0064ea33feb',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@d5b2e1255f706ce1f88812217e9a554f299848af',
     'condition': 'dawn_standalone',
   },
   'third_party/glslang': {
-    'url': '{chromium_git}/external/github.com/google/glslang@29619b2312f7bc862221749f3f4d37c3e6a0dee2',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@ca042a0ffbb6fe09a47c1c867d911b3a69d2102e',
     'condition': 'dawn_standalone',
   },
   'third_party/shaderc': {
-    'url': '{chromium_git}/external/github.com/google/shaderc@30af9f9899aefd018669e81a5b8e605d14d40431',
+    'url': '{chromium_git}/external/github.com/google/shaderc@196d38f64e4d919ddb26557f176ca134e2d88ddc',
     'condition': 'dawn_standalone',
   },
 
diff --git a/build_overrides/dawn.gni b/build_overrides/dawn.gni
index 4b453fb..4e186b2 100644
--- a/build_overrides/dawn.gni
+++ b/build_overrides/dawn.gni
@@ -24,10 +24,9 @@
 # users of Dawn don't have to set dirs if they happen to use the same as Dawn.
 
 # The paths to Dawn's dependencies
-dawn_spirv_cross_dir = "//third_party/spirv-cross"
-dawn_googletest_dir = "//third_party/googletest"
-dawn_glslang_dir = "//third_party/glslang"
-dawn_spirv_tools_dir = "//third_party/SPIRV-Tools"
-dawn_shaderc_dir = "//third_party/shaderc"
-dawn_glfw_dir = "//third_party/glfw"
 dawn_jinja2_dir = "//third_party/jinja2"
+dawn_glfw_dir = "//third_party/glfw"
+dawn_googletest_dir = "//third_party/googletest"
+dawn_shaderc_dir = "//third_party/shaderc"
+dawn_spirv_tools_dir = "//third_party/SPIRV-Tools"
+dawn_spirv_cross_dir = "//third_party/spirv-cross"
diff --git a/build_overrides/glslang.gni b/build_overrides/glslang.gni
new file mode 100644
index 0000000..c1b60e0
--- /dev/null
+++ b/build_overrides/glslang.gni
@@ -0,0 +1,15 @@
+# Copyright 2018 The Dawn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+glslang_spirv_tools_dir = "//third_party/SPIRV-Tools"
diff --git a/build_overrides/shaderc.gni b/build_overrides/shaderc.gni
new file mode 100644
index 0000000..df437e2
--- /dev/null
+++ b/build_overrides/shaderc.gni
@@ -0,0 +1,16 @@
+# Copyright 2018 The Dawn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+shaderc_glslang_dir = "//third_party/glslang"
+shaderc_spirv_tools_dir = "//third_party/SPIRV-Tools"
diff --git a/scripts/dawn_overrides_with_defaults.gni b/scripts/dawn_overrides_with_defaults.gni
index 5ac07c0..7c47e02 100644
--- a/scripts/dawn_overrides_with_defaults.gni
+++ b/scripts/dawn_overrides_with_defaults.gni
@@ -24,30 +24,26 @@
   dawn_standalone = false
 }
 
-if (!defined(dawn_spirv_cross_dir)) {
-  dawn_spirv_cross_dir = "//third_party/spirv-cross"
-}
-
-if (!defined(dawn_googletest_dir)) {
-  dawn_googletest_dir = "//third_party/googletest"
-}
-
-if (!defined(dawn_glslang_dir)) {
-  dawn_glslang_dir = "//third_party/glslang"
-}
-
-if (!defined(dawn_spirv_tools_dir)) {
-  dawn_spirv_tools_dir = "//third_party/SPIRV-Tools"
-}
-
-if (!defined(dawn_shaderc_dir)) {
-  dawn_shaderc_dir = "//third_party/shaderc"
+if (!defined(dawn_jinja2_dir)) {
+  dawn_jinja2_dir = "//third_party/jinja2"
 }
 
 if (!defined(dawn_glfw_dir)) {
   dawn_glfw_dir = "//third_party/glfw"
 }
 
-if (!defined(dawn_jinja2_dir)) {
-  dawn_jinja2_dir = "//third_party/jinja2"
+if (!defined(dawn_googletest_dir)) {
+  dawn_googletest_dir = "//third_party/googletest"
+}
+
+if (!defined(dawn_shaderc_dir)) {
+  dawn_shaderc_dir = "//third_party/shaderc"
+}
+
+if (!defined(dawn_spirv_cross_dir)) {
+  dawn_spirv_cross_dir = "//third_party/spirv-cross"
+}
+
+if (!defined(dawn_spirv_tools_dir)) {
+  dawn_spirv_tools_dir = "//third_party/SPIRV-Tools"
 }
diff --git a/third_party/BUILD.gn b/third_party/BUILD.gn
index 10ccfd5..3e1a023 100644
--- a/third_party/BUILD.gn
+++ b/third_party/BUILD.gn
@@ -145,217 +145,6 @@
 }
 
 ###############################################################################
-# GLSLang - good enough build targets
-###############################################################################
-
-glslang_dir = dawn_glslang_dir
-spirv_tools_dir = dawn_spirv_tools_dir
-
-config("glslang_public") {
-  include_dirs = [ glslang_dir ]
-}
-
-static_library("glslang_static") {
-  defines = []
-
-  public_configs = [ ":glslang_public" ]
-
-  sources = [
-    "${glslang_dir}/OGLCompilersDLL/InitializeDll.cpp",
-    "${glslang_dir}/OGLCompilersDLL/InitializeDll.h",
-    "${glslang_dir}/SPIRV/GLSL.ext.EXT.h",
-    "${glslang_dir}/SPIRV/GLSL.ext.KHR.h",
-    "${glslang_dir}/SPIRV/GLSL.std.450.h",
-    "${glslang_dir}/SPIRV/GlslangToSpv.cpp",
-    "${glslang_dir}/SPIRV/GlslangToSpv.h",
-    "${glslang_dir}/SPIRV/InReadableOrder.cpp",
-    "${glslang_dir}/SPIRV/Logger.cpp",
-    "${glslang_dir}/SPIRV/Logger.h",
-    "${glslang_dir}/SPIRV/SPVRemapper.cpp",
-    "${glslang_dir}/SPIRV/SPVRemapper.h",
-    "${glslang_dir}/SPIRV/SpvBuilder.cpp",
-    "${glslang_dir}/SPIRV/SpvBuilder.h",
-    "${glslang_dir}/SPIRV/bitutils.h",
-    "${glslang_dir}/SPIRV/disassemble.cpp",
-    "${glslang_dir}/SPIRV/disassemble.h",
-    "${glslang_dir}/SPIRV/doc.cpp",
-    "${glslang_dir}/SPIRV/doc.h",
-    "${glslang_dir}/SPIRV/hex_float.h",
-    "${glslang_dir}/SPIRV/spirv.hpp",
-    "${glslang_dir}/SPIRV/spvIR.h",
-    "${glslang_dir}/glslang/GenericCodeGen/CodeGen.cpp",
-    "${glslang_dir}/glslang/GenericCodeGen/Link.cpp",
-    "${glslang_dir}/glslang/Include/BaseTypes.h",
-    "${glslang_dir}/glslang/Include/Common.h",
-    "${glslang_dir}/glslang/Include/ConstantUnion.h",
-    "${glslang_dir}/glslang/Include/InfoSink.h",
-    "${glslang_dir}/glslang/Include/InitializeGlobals.h",
-    "${glslang_dir}/glslang/Include/PoolAlloc.h",
-    "${glslang_dir}/glslang/Include/ResourceLimits.h",
-    "${glslang_dir}/glslang/Include/ShHandle.h",
-    "${glslang_dir}/glslang/Include/Types.h",
-    "${glslang_dir}/glslang/Include/arrays.h",
-    "${glslang_dir}/glslang/Include/intermediate.h",
-    "${glslang_dir}/glslang/Include/revision.h",
-    "${glslang_dir}/glslang/MachineIndependent/Constant.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/InfoSink.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/Initialize.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/Initialize.h",
-    "${glslang_dir}/glslang/MachineIndependent/IntermTraverse.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/Intermediate.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/LiveTraverser.h",
-    "${glslang_dir}/glslang/MachineIndependent/ParseContextBase.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/ParseHelper.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/ParseHelper.h",
-    "${glslang_dir}/glslang/MachineIndependent/PoolAlloc.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/RemoveTree.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/RemoveTree.h",
-    "${glslang_dir}/glslang/MachineIndependent/Scan.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/Scan.h",
-    "${glslang_dir}/glslang/MachineIndependent/ScanContext.h",
-    "${glslang_dir}/glslang/MachineIndependent/ShaderLang.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/SymbolTable.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/SymbolTable.h",
-    "${glslang_dir}/glslang/MachineIndependent/Versions.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/Versions.h",
-    "${glslang_dir}/glslang/MachineIndependent/attribute.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/attribute.h",
-    "${glslang_dir}/glslang/MachineIndependent/gl_types.h",
-    "${glslang_dir}/glslang/MachineIndependent/glslang.y",
-    "${glslang_dir}/glslang/MachineIndependent/glslang_tab.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/glslang_tab.cpp.h",
-    "${glslang_dir}/glslang/MachineIndependent/intermOut.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/iomapper.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/iomapper.h",
-    "${glslang_dir}/glslang/MachineIndependent/limits.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/linkValidate.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/localintermediate.h",
-    "${glslang_dir}/glslang/MachineIndependent/parseConst.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/parseVersions.h",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/Pp.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/PpAtom.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/PpContext.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/PpContext.h",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/PpScanner.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/PpTokens.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/preprocessor/PpTokens.h",
-    "${glslang_dir}/glslang/MachineIndependent/propagateNoContraction.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/propagateNoContraction.h",
-    "${glslang_dir}/glslang/MachineIndependent/reflection.cpp",
-    "${glslang_dir}/glslang/MachineIndependent/reflection.h",
-    "${glslang_dir}/glslang/OSDependent/osinclude.h",
-    "${glslang_dir}/glslang/Public/ShaderLang.h",
-  ]
-
-  if (is_msvc) {
-    cflags_cc = [
-      # switch statement contains 'default' but no 'case' labels
-      "/wd4065",
-
-      # local variable is initialized but not referenced
-      "/wd4189",
-    ]
-  } else {
-    cflags_cc = [
-      "-Wno-implicit-fallthrough",
-      "-Wno-ignored-qualifiers",
-      "-Wno-unused-variable",
-    ]
-  }
-
-  deps = [
-    "${spirv_tools_dir}:spvtools_opt",
-  ]
-
-  if (is_win) {
-    sources += [ "${glslang_dir}/glslang/OSDependent/Windows/ossource.cpp" ]
-    defines += [ "GLSLANG_OSINCLUDE_WIN32" ]
-  } else {
-    sources += [ "${glslang_dir}/glslang/OSDependent/Unix/ossource.cpp" ]
-    defines += [ "GLSLANG_OSINCLUDE_UNIX" ]
-  }
-}
-
-###############################################################################
-# Shaderc - good enough build targets
-###############################################################################
-
-shaderc_dir = dawn_shaderc_dir
-
-config("shaderc_util_public") {
-  include_dirs = [ "${shaderc_dir}/libshaderc_util/include" ]
-}
-
-static_library("shaderc_util") {
-  public_configs = [ ":shaderc_util_public" ]
-  deps = [
-    ":glslang_static",
-    "${spirv_tools_dir}:spvtools",
-  ]
-
-  sources = [
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/counting_includer.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/file_finder.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/format.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/io.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/message.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/mutex.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/resources.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/spirv_tools_wrapper.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/string_piece.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/universal_unistd.h",
-    "${shaderc_dir}/libshaderc_util/include/libshaderc_util/version_profile.h",
-    "${shaderc_dir}/libshaderc_util/src/compiler.cc",
-    "${shaderc_dir}/libshaderc_util/src/file_finder.cc",
-    "${shaderc_dir}/libshaderc_util/src/io.cc",
-    "${shaderc_dir}/libshaderc_util/src/message.cc",
-    "${shaderc_dir}/libshaderc_util/src/resources.cc",
-    "${shaderc_dir}/libshaderc_util/src/shader_stage.cc",
-    "${shaderc_dir}/libshaderc_util/src/spirv_tools_wrapper.cc",
-    "${shaderc_dir}/libshaderc_util/src/version_profile.cc",
-  ]
-}
-
-config("shaderc_public") {
-  include_dirs = [ "${shaderc_dir}/libshaderc/include" ]
-  defines = [ "SHADERC_SHAREDLIB" ]
-
-  # Executable needs an rpath to find our shared libraries on OSX
-  if (is_mac) {
-    ldflags = [
-      "-rpath",
-      "@executable_path/",
-    ]
-  }
-}
-
-shared_library("libshaderc") {
-  public_configs = [ ":shaderc_public" ]
-  deps = [
-    ":glslang_static",
-    ":shaderc_util",
-    "${spirv_tools_dir}:spvtools",
-    "${spirv_tools_dir}:spvtools_val",
-  ]
-  defines = [ "SHADERC_IMPLEMENTATION" ]
-
-  sources = [
-    "${shaderc_dir}/libshaderc/include/shaderc/shaderc.h",
-    "${shaderc_dir}/libshaderc/include/shaderc/shaderc.hpp",
-    "${shaderc_dir}/libshaderc/src/shaderc.cc",
-    "${shaderc_dir}/libshaderc/src/shaderc_private.h",
-  ]
-
-  # Tell dependents where to find this shared library
-  if (is_mac) {
-    ldflags = [
-      "-install_name",
-      "@rpath/${target_name}.dylib",
-    ]
-  }
-}
-
-###############################################################################
 # GLFW - good enough build targets
 ###############################################################################
 
diff --git a/third_party/glslang b/third_party/glslang
index 29619b2..ca042a0 160000
--- a/third_party/glslang
+++ b/third_party/glslang
@@ -1 +1 @@
-Subproject commit 29619b2312f7bc862221749f3f4d37c3e6a0dee2
+Subproject commit ca042a0ffbb6fe09a47c1c867d911b3a69d2102e
diff --git a/third_party/shaderc b/third_party/shaderc
index 30af9f9..196d38f 160000
--- a/third_party/shaderc
+++ b/third_party/shaderc
@@ -1 +1 @@
-Subproject commit 30af9f9899aefd018669e81a5b8e605d14d40431
+Subproject commit 196d38f64e4d919ddb26557f176ca134e2d88ddc
diff --git a/third_party/spirv-headers b/third_party/spirv-headers
index ff684ff..d5b2e12 160000
--- a/third_party/spirv-headers
+++ b/third_party/spirv-headers
@@ -1 +1 @@
-Subproject commit ff684ffc6a35d2a58f0f63108877d0064ea33feb
+Subproject commit d5b2e1255f706ce1f88812217e9a554f299848af
diff --git a/third_party/spirv-tools b/third_party/spirv-tools
index 21bcb9d..1225324 160000
--- a/third_party/spirv-tools
+++ b/third_party/spirv-tools
@@ -1 +1 @@
-Subproject commit 21bcb9d8b9dba1c7b7e1d0a8f5b6ad7ea26cc5b6
+Subproject commit 1225324ae2450623e62621b91b380644f84c16d1