diff --git a/msvc/vs22/dll_mpir_gc/dll_mpir_gc.vcxproj b/msvc/vs22/dll_mpir_gc/dll_mpir_gc.vcxproj
index 2ff2f977..a28b630a 100644
--- a/msvc/vs22/dll_mpir_gc/dll_mpir_gc.vcxproj
+++ b/msvc/vs22/dll_mpir_gc/dll_mpir_gc.vcxproj
@@ -79,6 +79,7 @@ prebuild gc Win32 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
     </Link>
@@ -97,6 +98,7 @@ prebuild gc Win32 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
     </Link>
@@ -115,6 +117,7 @@ prebuild gc x64 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
     </Link>
@@ -133,6 +136,7 @@ prebuild gc x64 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
     </Link>
@@ -689,4 +693,4 @@ postbuild "$(TargetPath)" 22
   <ItemGroup>
     <None Include="..\..\..\gmp-h.in" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/msvc/vs22/lib_mpir_cxx/lib_mpir_cxx.vcxproj b/msvc/vs22/lib_mpir_cxx/lib_mpir_cxx.vcxproj
index 89e5c422..84b59825 100644
--- a/msvc/vs22/lib_mpir_cxx/lib_mpir_cxx.vcxproj
+++ b/msvc/vs22/lib_mpir_cxx/lib_mpir_cxx.vcxproj
@@ -74,6 +74,7 @@
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;HAVE_CONFIG_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -85,6 +86,7 @@ postbuild "$(TargetPath)" 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;_LIB;HAVE_CONFIG_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -96,6 +98,7 @@ postbuild "$(TargetPath)" 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;HAVE_CONFIG_H;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -107,6 +110,7 @@ postbuild "$(TargetPath)" 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;_LIB;HAVE_CONFIG_H;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -144,4 +148,4 @@ postbuild "$(TargetPath)" 22
   <ItemGroup>
     <None Include="..\..\..\gmp-h.in" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/msvc/vs22/lib_mpir_gc/lib_mpir_gc.vcxproj b/msvc/vs22/lib_mpir_gc/lib_mpir_gc.vcxproj
index 961a80b3..04910e3a 100644
--- a/msvc/vs22/lib_mpir_gc/lib_mpir_gc.vcxproj
+++ b/msvc/vs22/lib_mpir_gc/lib_mpir_gc.vcxproj
@@ -79,6 +79,7 @@ prebuild gc Win32 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;HAVE_CONFIG_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -95,6 +96,7 @@ prebuild gc Win32 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;_LIB;HAVE_CONFIG_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -111,6 +113,7 @@ prebuild gc x64 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;HAVE_CONFIG_H;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -127,6 +130,7 @@ prebuild gc x64 22
     <ClCompile>
       <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;_LIB;HAVE_CONFIG_H;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
     <PostBuildEvent>
       <Command>cd ..\..\
@@ -670,4 +674,4 @@ postbuild "$(TargetPath)" 22
   <ItemGroup>
     <None Include="..\..\..\gmp-h.in" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>