diff --git a/.gitsv/config.yml b/.gitsv/config.yml
index acaf506..a1853bc 100644
--- a/.gitsv/config.yml
+++ b/.gitsv/config.yml
@@ -1,6 +1,4 @@
 ---
-version: "1.1"
-
 versioning:
   update-major: []
   update-minor: [feat]
diff --git a/README.md b/README.md
index 57e6a0e..27e6cf0 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ make build
 The configuration is loaded from a YAML file in the following order (last wins):
 
 - built-in default
-- `.gitsv/config.yml` in repository root
+- `.gitsv/config.yaml` or `.gitsv/config.yml` in repository root (first found)
 
 To check the default configuration, run:
 
@@ -42,8 +42,6 @@ git sv cfg default
 ```
 
 ```Yaml
-version: "1.1" # Configuration version.
-
 versioning:
   update-major: [] # Commit types used to bump major.
   update-minor: [feat] # Commit types used to bump minor.
diff --git a/app/app.go b/app/app.go
index b3aed38..c3fecf6 100644
--- a/app/app.go
+++ b/app/app.go
@@ -20,9 +20,6 @@ import (
 const (
 	logSeparator = "###"
 	endLine      = "~~~"
-
-	configFilename = "config.yml"
-	configDir      = ".gitsv"
 )
 
 var errUnknownGitError = errors.New("git command failed")
@@ -68,9 +65,12 @@ type GitSV struct {
 
 // New constructor.
 func New() GitSV {
+	configDir := ".gitsv"
+	configFilenames := []string{"config.yaml", "config.yml"}
+
 	g := GitSV{
 		Settings: &Settings{},
-		Config:   NewConfig(configDir, configFilename),
+		Config:   NewConfig(configDir, configFilenames),
 	}
 
 	g.MessageProcessor = sv.NewMessageProcessor(g.Config.CommitMessage, g.Config.Branches)
diff --git a/app/config.go b/app/config.go
index b819896..09b9106 100644
--- a/app/config.go
+++ b/app/config.go
@@ -56,7 +56,6 @@ type TagSettings struct {
 
 // Config cli yaml config.
 type Config struct {
-	Version       string                 `yaml:"version"`
 	LogLevel      string                 `yaml:"log-level"`
 	Versioning    sv.VersioningConfig    `yaml:"versioning"`
 	Tag           TagConfig              `yaml:"tag"`
@@ -71,14 +70,18 @@ type TagConfig struct {
 	Filter  *string `yaml:"filter"`
 }
 
-func NewConfig(configDir, configFilename string) *Config {
+func NewConfig(configDir string, configFilenames []string) *Config {
 	workDir, _ := os.Getwd()
 	cfg := GetDefault()
 
-	repoCfgFilepath := filepath.Join(workDir, configDir, configFilename)
-	if repoCfg, err := readFile(repoCfgFilepath); err == nil {
-		if merr := merge(cfg, migrate(repoCfg, repoCfgFilepath)); merr != nil {
-			log.Fatal().Err(merr).Msg("failed to merge repo config")
+	for _, filename := range configFilenames {
+		repoCfgFilepath := filepath.Join(workDir, configDir, filename)
+		if repoCfg, err := readFile(repoCfgFilepath); err == nil {
+			if merr := merge(cfg, repoCfg); merr != nil {
+				log.Fatal().Err(merr).Msg("failed to merge repo config")
+			}
+
+			break
 		}
 	}
 
@@ -107,7 +110,6 @@ func GetDefault() *Config {
 	filter := ""
 
 	return &Config{
-		Version: "1.1",
 		Versioning: sv.VersioningConfig{
 			UpdateMajor:   []string{},
 			UpdateMinor:   []string{"feat"},
@@ -173,8 +175,3 @@ func (t *mergeTransformer) Transformer(typ reflect.Type) func(dst, src reflect.V
 
 	return nil
 }
-
-//nolint:revive
-func migrate(cfg Config, filename string) Config {
-	return cfg
-}
diff --git a/app/config_test.go b/app/config_test.go
index ffd8808..417888b 100644
--- a/app/config_test.go
+++ b/app/config_test.go
@@ -22,16 +22,16 @@ func Test_merge(t *testing.T) {
 	}{
 		{
 			"overwrite string",
-			Config{Version: "a"},
-			Config{Version: "b"},
-			Config{Version: "b"},
+			Config{LogLevel: "info"},
+			Config{LogLevel: "warn"},
+			Config{LogLevel: "warn"},
 			false,
 		},
 		{
 			"default string",
-			Config{Version: "a"},
-			Config{Version: ""},
-			Config{Version: "a"},
+			Config{LogLevel: "info"},
+			Config{LogLevel: ""},
+			Config{LogLevel: "info"},
 			false,
 		},
 		{
@@ -120,21 +120,21 @@ func Test_merge(t *testing.T) {
 		{
 			"overwrite tag config",
 			Config{
-				Version: "a",
+				LogLevel: "info",
 				Tag: TagConfig{
 					Pattern: &nonEmptyStr,
 					Filter:  &nonEmptyStr,
 				},
 			},
 			Config{
-				Version: "",
+				LogLevel: "",
 				Tag: TagConfig{
 					Pattern: &emptyStr,
 					Filter:  &emptyStr,
 				},
 			},
 			Config{
-				Version: "a",
+				LogLevel: "info",
 				Tag: TagConfig{
 					Pattern: &emptyStr,
 					Filter:  &emptyStr,