diff --git a/win/Projects/libflac/libflac.vcxproj b/win/Projects/libflac/libflac.vcxproj
index 8180a1efb..3c8315b2f 100755
--- a/win/Projects/libflac/libflac.vcxproj
+++ b/win/Projects/libflac/libflac.vcxproj
@@ -52,7 +52,7 @@
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\..\lib-src\libflac\src\libFLAC\include;..\..\..\lib-src\libflac\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>FLAC__NO_DLL;NDEBUG;WIN32;_LIB;VERSION="1.0.4";FLAC__CPU_IA32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;FLAC__CPU_IA32;FLAC__SSE_OS;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLAC__NO_DLL;FLaC__INLINE=_inline;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -66,7 +66,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\..\lib-src\libflac\src\libFLAC\include;..\..\..\lib-src\libflac\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>FLAC__NO_DLL;_DEBUG;WIN32;_LIB;VERSION="1.0.4";FLAC__CPU_IA32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_LIB;WIN32;DEBUG;FLAC__CPU_IA32;FLAC__SSE_OS;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLAC__NO_DLL;FLAC__OVERFLOW_DETECT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>