diff --git a/libexec/relax b/libexec/relax
index 322013f..38fa58f 100755
--- a/libexec/relax
+++ b/libexec/relax
@@ -1,7 +1,7 @@
 #!/bin/bash -eu
 # Usage: relax [--version] [--config <Relfile>] <command>
 
-export REL_VERSION="0.6.3"
+export REL_VERSION="0.6.4"
 
 ###################
 ### Environment ###