diff --git a/main.go b/main.go
index 4ef96521d..bab8bf284 100644
--- a/main.go
+++ b/main.go
@@ -53,7 +53,7 @@ import (
 // It is also set by the linker when fabio
 // is built via the Makefile or the build/docker.sh
 // script to ensure the correct version number
-var version = "1.6.3"
+var version = "1.6.4"
 
 var shuttingDown int32