diff --git a/ext/libxml-wdk/win32/build-x64.bat b/ext/libxml-wdk/win32/build-x64.bat
index 088d5387..fadfe4c8 100644
--- a/ext/libxml-wdk/win32/build-x64.bat
+++ b/ext/libxml-wdk/win32/build-x64.bat
@@ -13,7 +13,8 @@ rmdir /q /s include
 rmdir /q /s lib
 nmake /nologo /f Makefile.msvc install
 move lib\libxml2.dll bin
+copy /y ..\COPYING LICENSE.LIBXML
 set PATH=%PATH%;%PROGRAMW6432%\7-Zip
 del %TARGET%
-7z a %TARGET% bin include lib
+7z a %TARGET% bin include lib LICENSE.LIBXML
 pause
diff --git a/ext/libxml-wdk/win32/build-x86.bat b/ext/libxml-wdk/win32/build-x86.bat
index cc94a15f..961fafc8 100644
--- a/ext/libxml-wdk/win32/build-x86.bat
+++ b/ext/libxml-wdk/win32/build-x86.bat
@@ -12,7 +12,8 @@ rmdir /q /s include
 rmdir /q /s lib
 nmake /nologo /f Makefile.msvc install
 move lib\libxml2.dll bin
+copy /y ..\COPYING LICENSE.LIBXML
 set PATH=%PATH%;%PROGRAMW6432%\7-Zip
 del %TARGET%
-7z a %TARGET% bin include lib
+7z a %TARGET% bin include lib LICENSE.LIBXML
 pause