diff --git a/cmd/root.go b/cmd/root.go
index 1a62fd8..9eb9b1c 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -6,7 +6,6 @@ import (
 	"log"
 	"os"
 
-	"github.com/integralist/go-findroot/find"
 	"github.com/lintingzhen/commitizen-go/commit"
 	"github.com/lintingzhen/commitizen-go/git"
 	homedir "github.com/mitchellh/go-homedir"
@@ -59,14 +58,14 @@ func initConfig() {
 		log.Printf("Get home dir failed, err=%v\n", err)
 		os.Exit(1)
 	}
-	stat, err := find.Repo()
-	if err != nil {
-		log.Printf("Get git repository root failed, err=%v\n", err)
+	workingTreeRoot, err := git.WorkingTreeRoot()
+	if err != nil || workingTreeRoot == "" {
+		log.Printf("current directory is not a git working tree\n")
 		os.Exit(1)
 	}
 
-	// Search config in home directory and repository root directory with name ".git-czrc" or ".git-czrc.json".
-	viper.AddConfigPath(stat.Path)
+	// Search config in repository working tree root directory and home directory with name ".git-czrc" or ".git-czrc.json".
+	viper.AddConfigPath(workingTreeRoot)
 	viper.AddConfigPath(home)
 	viper.SetConfigName(".git-czrc")
 	viper.SetConfigType("json")
diff --git a/git/git.go b/git/git.go
index b21f6eb..1ecdf7c 100644
--- a/git/git.go
+++ b/git/git.go
@@ -52,6 +52,15 @@ func IsCurrentDirectoryGitRepo() (bool, error) {
 	return true, nil
 }
 
+// WorkingTreeRoot return path of the top-level directory of the working tree
+func WorkingTreeRoot() (path string, err error) {
+	output, err := exec.Command("git", "rev-parse", "--show-toplevel").Output()
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(string(output)), nil
+}
+
 func CommitMessage(message []byte, all bool) ([]byte, error) {
 	// save the commit message to temp file
 	var err error
diff --git a/go.mod b/go.mod
index 8ebf68f..948be5e 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,6 @@ go 1.16
 require (
 	github.com/AlecAivazis/survey/v2 v2.3.2
 	github.com/fsnotify/fsnotify v1.4.9 // indirect
-	github.com/integralist/go-findroot v0.0.0-20160518114804-ac90681525dc // indirect
 	github.com/kr/pretty v0.2.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/mitchellh/mapstructure v1.3.3
diff --git a/go.sum b/go.sum
index 7119ab2..c67a1a7 100644
--- a/go.sum
+++ b/go.sum
@@ -102,8 +102,6 @@ github.com/hinshun/vt10x v0.0.0-20180616224451-1954e6464174 h1:WlZsjVhE8Af9IcZDG
 github.com/hinshun/vt10x v0.0.0-20180616224451-1954e6464174/go.mod h1:DqJ97dSdRW1W22yXSB90986pcOyQ7r45iio1KN2ez1A=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/integralist/go-findroot v0.0.0-20160518114804-ac90681525dc h1:4IZpk3M4m6ypx0IlRoEyEyY1gAdicWLMQ0NcG/gBnnA=
-github.com/integralist/go-findroot v0.0.0-20160518114804-ac90681525dc/go.mod h1:UlaC6ndby46IJz9m/03cZPKKkR9ykeIVBBDE3UDBdJk=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=