diff --git a/main.c b/main.c
index d2846c5..d3cbbfe 100644
--- a/main.c
+++ b/main.c
@@ -25,7 +25,7 @@
     #define close(fd) closesocket(fd)
 #endif
 
-#define VERSION "16.3"
+#define VERSION "16.4"
 
 ASSERT(sizeof(struct in_addr) == 4)
 ASSERT(sizeof(struct in6_addr) == 16)