diff --git a/.travis.yml b/.travis.yml
index 299efd864e..00b9e054aa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,11 +41,11 @@ before_install:
 
   # Install updated libglew-dev since the version provided by trusty is outdated
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-      wget http://mirrors.kernel.org/ubuntu/pool/main/g/glew/libglew-dev_1.13.0-2_amd64.deb;
-      wget http://mirrors.kernel.org/ubuntu/pool/main/g/glew/libglew1.13_1.13.0-2_amd64.deb;
-      wget http://mirrors.kernel.org/ubuntu/pool/universe/v/vulkan/libvulkan1_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb;
-      wget http://mirrors.kernel.org/ubuntu/pool/universe/v/vulkan/libvulkan-dev_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb;
-      sudo dpkg -i libglew1.13_1.13.0-2_amd64.deb libglew-dev_1.13.0-2_amd64.deb libvulkan1_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb libvulkan-dev_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb;
+      wget http://mirrors.kernel.org/ubuntu/pool/main/g/glew/libglew-dev_2.0.0-3_amd64.deb;
+      wget http://mirrors.kernel.org/ubuntu/pool/main/g/glew/libglew2.0_2.0.0-3_amd64.deb;
+      wget http://mirrors.kernel.org/ubuntu/pool/universe/v/vulkan/libvulkan1_1.0.61.1+dfsg1-1ubuntu1~16.04.1_amd64.deb;
+      wget http://mirrors.kernel.org/ubuntu/pool/universe/v/vulkan/libvulkan-dev_1.0.61.1+dfsg1-1ubuntu1~16.04.1_amd64.deb;
+      sudo dpkg -i libglew2.0_2.0.0-3_amd64.deb libglew-dev_2.0.0-3_amd64.deb libvulkan1_1.0.61.1+dfsg1-1ubuntu1~16.04.1_amd64.deb libvulkan-dev_1.0.61.1+dfsg1-1ubuntu1~16.04.1_amd64.deb;
     else
       brew update;
       brew install ccache glew llvm40;
diff --git a/Vulkan/Vulkan-LoaderAndValidationLayers b/Vulkan/Vulkan-LoaderAndValidationLayers
index 85926a33d4..28d93dfc0f 160000
--- a/Vulkan/Vulkan-LoaderAndValidationLayers
+++ b/Vulkan/Vulkan-LoaderAndValidationLayers
@@ -1 +1 @@
-Subproject commit 85926a33d427ee62f395a50886db980127063c72
+Subproject commit 28d93dfc0f24d65237fd773d74a284bf6e399222
diff --git a/Vulkan/Vulkan-build/Vulkan-build.vcxproj b/Vulkan/Vulkan-build/Vulkan-build.vcxproj
index 50850770b1..d2306790e8 100644
--- a/Vulkan/Vulkan-build/Vulkan-build.vcxproj
+++ b/Vulkan/Vulkan-build/Vulkan-build.vcxproj
@@ -39,18 +39,22 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <NMakeBuildCommandLine>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
+    <NMakeBuildCommandLine>start /W /B pre-build.bat
+cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
 msbuild.exe ALL_BUILD.vcxproj /t:build /p:Configuration=Release /m</NMakeBuildCommandLine>
     <NMakeCleanCommandLine>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
 msbuild.exe ALL_BUILD.vcxproj /t:clean /p:Configuration=Release /m</NMakeCleanCommandLine>
-    <NMakeReBuildCommandLine>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
+    <NMakeReBuildCommandLine>start /W /B pre-build.bat
+cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
 msbuild.exe ALL_BUILD.vcxproj /t:rebuild /p:Configuration=Release /m
     </NMakeReBuildCommandLine>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <NMakeBuildCommandLine>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
+    <NMakeBuildCommandLine>start /W /B pre-build.bat
+cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
 msbuild.exe ALL_BUILD.vcxproj /t:build /p:Configuration=Debug /m</NMakeBuildCommandLine>
-    <NMakeReBuildCommandLine>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
+    <NMakeReBuildCommandLine>start /W /B pre-build.bat
+cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
 msbuild.exe ALL_BUILD.vcxproj /t:rebuild /p:Configuration=Debug /m</NMakeReBuildCommandLine>
     <NMakeCleanCommandLine>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_CONFIGURATION_TYPES="Debug;Release" -DBUILD_TESTS=OFF -DBUILD_DEMOS=OFF -DBUILD_LAYERS=OFF -DBUILD_VKJSON=OFF ../Vulkan-LoaderAndValidationLayers
 msbuild.exe ALL_BUILD.vcxproj /t:clean /p:Configuration=Debug /m</NMakeCleanCommandLine>
diff --git a/Vulkan/Vulkan-build/pre-build.bat b/Vulkan/Vulkan-build/pre-build.bat
new file mode 100644
index 0000000000..a9de5dd443
--- /dev/null
+++ b/Vulkan/Vulkan-build/pre-build.bat
@@ -0,0 +1,13 @@
+@ECHO OFF
+
+REM Setting up dummy git helper
+MKDIR ..\Vulkan-LoaderAndValidationLayers\external\glslang\External\spirv-tools
+SET header="@ECHO off"
+SET content="ECHO unused"
+ECHO %header:"=% > git.bat
+ECHO %content:"=% >> git.bat
+COPY /Y git.bat ..\Vulkan-LoaderAndValidationLayers\external\glslang\External\spirv-tools\git.bat
+
+REM Set up gitignore
+SET ignored="*"
+ECHO %ignored:"=% > ..\Vulkan-LoaderAndValidationLayers\external\glslang\External\spirv-tools\.gitignore
\ No newline at end of file
diff --git a/Vulkan/glslang b/Vulkan/glslang
index cf571f7310..e22e347395 160000
--- a/Vulkan/glslang
+++ b/Vulkan/glslang
@@ -1 +1 @@
-Subproject commit cf571f7310f58e6eb4ea35600ef1401bc76db0d2
+Subproject commit e22e3473958e9bf3536f6c2133d66e5808816b78
diff --git a/appveyor.yml b/appveyor.yml
index a66316f069..c75759ea54 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -51,7 +51,7 @@ before_build:
  - set PATH=%PATH%;%QTDIR%
  - if not exist llvmlibs.7z appveyor DownloadFile "https://drive.google.com/uc?export=download&id=0B8A6NaxhQAGRY2k3Q2Yya05lcm8" -FileName llvmlibs.7z
  - 7z x llvmlibs.7z -aos -o%APPVEYOR_BUILD_FOLDER% > null
- - if not exist vulkan.7z appveyor DownloadFile "https://drive.google.com/uc?export=download&id=0B8A6NaxhQAGRaHYxV3VOS2d0a0U" -FileName vulkan.7z
+ - if not exist vulkan.7z appveyor DownloadFile "https://drive.google.com/uc?export=download&id=1A2eOMmCO714i0U7J0qI4aEMKnuWl8l_R" -FileName vulkan.7z
  - 7z x vulkan.7z -aos -o"%APPVEYOR_BUILD_FOLDER%\lib\%CONFIGURATION%-%PLATFORM%" > null
 
 # scripts to run *after* solution is built and *before* automatic packaging occurs (web apps, NuGet packages, Azure Cloud Services)