diff --git a/option.go b/option.go
index ea3a1f7..8ff5e1f 100644
--- a/option.go
+++ b/option.go
@@ -8,7 +8,7 @@ import (
 	"github.com/spf13/pflag"
 )
 
-const version = "0.3.0"
+const version = "0.3.1"
 const usage = `flog is a fake log generator for common log formats
 
 Usage: flog [options]