diff --git a/lib/kcp-netty-1.5.0.jar b/lib/kcp-netty-1.5.0.jar new file mode 100644 index 000000000..819dad894 Binary files /dev/null and b/lib/kcp-netty-1.5.0.jar differ diff --git a/lib/kcp-netty.jar b/lib/kcp-netty.jar deleted file mode 100644 index 29db985ff..000000000 Binary files a/lib/kcp-netty.jar and /dev/null differ