diff --git a/go/stats/disk_notsupported.go b/go/stats/disk_notsupported.go
index 1f025ca8e..37f9bc47d 100644
--- a/go/stats/disk_notsupported.go
+++ b/go/stats/disk_notsupported.go
@@ -1,4 +1,4 @@
-// +build windows openbsd netbsd plan9
+// +build windows openbsd netbsd plan9 solaris
 
 package stats
 
diff --git a/go/stats/disk_supported.go b/go/stats/disk_supported.go
index 018628b9b..d68f0a32e 100644
--- a/go/stats/disk_supported.go
+++ b/go/stats/disk_supported.go
@@ -1,4 +1,4 @@
-// +build !windows,!openbsd,!netbsd,!plan9
+// +build !windows,!openbsd,!netbsd,!plan9,!solaris
 
 package stats
 
diff --git a/go/util/constants.go b/go/util/constants.go
index d79e7bcc8..196b4a405 100644
--- a/go/util/constants.go
+++ b/go/util/constants.go
@@ -3,5 +3,5 @@ package util
 import ()
 
 const (
-	VERSION = "0.62 beta"
+	VERSION = "0.63 beta"
 )