diff --git a/util/package-win32.sh b/util/package-win32.sh
index 44c3360..2f930cb 100755
--- a/util/package-win32.sh
+++ b/util/package-win32.sh
@@ -8,6 +8,7 @@ if [ -d $name ]; then
 fi
 mkdir $name || exit 1
 cp -r resty nginx.exe luajit.exe lua51.dll lua include lualib html conf logs $name/ || exit 1
+cp /c/MinGW/bin/libgcc_s_dw2-1.dll $name/ || exit 1
 cd $name || exit 1
 PATH=/c/Strawberry/perl/bin:$PATH cmd /c 'pl2bat.bat resty' || exit 1
 cp ../README-win32.txt README.txt