diff --git a/ext/glslang.vcxproj b/ext/glslang.vcxproj
index adbb5d76bc..1e3a71c80e 100644
--- a/ext/glslang.vcxproj
+++ b/ext/glslang.vcxproj
@@ -81,6 +81,7 @@
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
       <AdditionalIncludeDirectories>glslang/glslang/OSDependent/Windows;glslang/glslang/MachineIndependent</AdditionalIncludeDirectories>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -98,6 +99,7 @@
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -116,6 +118,7 @@
       <AdditionalIncludeDirectories>glslang/glslang/OSDependent/Windows;glslang/glslang/MachineIndependent</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -136,6 +139,7 @@
       <AdditionalIncludeDirectories>glslang/glslang/OSDependent/Windows;glslang/glslang/MachineIndependent</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>