diff --git a/shadowsocks-csharp/Data/libsscrypto.dll.gz b/shadowsocks-csharp/Data/libsscrypto.dll.gz
index 6b86608d..41f0d4b8 100755
Binary files a/shadowsocks-csharp/Data/libsscrypto.dll.gz and b/shadowsocks-csharp/Data/libsscrypto.dll.gz differ