diff --git a/Makefile b/Makefile
index 3e02600..ea9f43f 100644
--- a/Makefile
+++ b/Makefile
@@ -98,7 +98,7 @@ buildwindows: clean
 	./copydlls.sh
 	./copydlls.sh
 	./copyshare.sh
-	cp /usr/lib/gcc/x86_64-w64-mingw32/13-win32/*.dll TestModbus-Server-$(VERSION)/
+	cp /usr/lib/gcc/x86_64-w64-mingw32/14-win32/*.dll TestModbus-Server-$(VERSION)/
 	for i in `ldd TestModbus-Server.exe |grep -vi "/c/windows" | cut -d" " -f3`; do cp $$i TestModbus-Server-$(VERSION)/; done
 	mv *.dll TestModbus-Server-$(VERSION)/
 	mv share TestModbus-Server-$(VERSION)/