diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index df474c3..160af7d 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,6 +1,6 @@
 [bumpversion]
 commit = True
 tag = True
-current_version = 2021.0.1
+current_version = 2021.0.0
 
 [bumpversion:file:main.go]
diff --git a/main.go b/main.go
index 040fae5..9fed655 100644
--- a/main.go
+++ b/main.go
@@ -30,7 +30,7 @@ func main() {
 	app.Usage = "visualize clickhouse system.trace_log as flamegraph, based on https://gist.github.com/alexey-milovidov/92758583dd41c24c360fdb8d6a4da194"
 	app.ArgsUsage = ""
 	app.HideHelp = false
-	app.Version = "2021.0.1"
+	app.Version = "2021.0.0"
 	app.Flags = []cli.Flag{
 		&cli.IntFlag{
 			Name:  "width",