diff --git a/.golangci.yml b/.golangci.yml
index 66aadec..4f970ac 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -22,6 +22,7 @@ linters:
         - gci
         - goconst
         - gofmt
+        - gofumpt
         - goimports
         - gomoddirectives
         - goprintffuncname
@@ -64,7 +65,6 @@ linters:
         # - gocritic
         # - gocyclo
         # - godot
-        # - gofumpt
         # - gosec
         # - gosimple
         # - ifshort
diff --git a/util_test.go b/util_test.go
index a377d5b..941d8a2 100644
--- a/util_test.go
+++ b/util_test.go
@@ -23,16 +23,14 @@ func TestCopyAndInsensitiviseMap(t *testing.T) {
 	var (
 		given = map[string]interface{}{
 			"Foo": 32,
-			"Bar": map[interface{}]interface {
-			}{
+			"Bar": map[interface{}]interface{}{
 				"ABc": "A",
 				"cDE": "B",
 			},
 		}
 		expected = map[string]interface{}{
 			"foo": 32,
-			"bar": map[string]interface {
-			}{
+			"bar": map[string]interface{}{
 				"abc": "A",
 				"cde": "B",
 			},
diff --git a/viper_test.go b/viper_test.go
index a5bbbd4..f748c7a 100644
--- a/viper_test.go
+++ b/viper_test.go
@@ -1993,8 +1993,7 @@ func TestCaseInsensitiveSet(t *testing.T) {
 	Reset()
 	m1 := map[string]interface{}{
 		"Foo": 32,
-		"Bar": map[interface{}]interface {
-		}{
+		"Bar": map[interface{}]interface{}{
 			"ABc": "A",
 			"cDE": "B",
 		},
@@ -2002,8 +2001,7 @@ func TestCaseInsensitiveSet(t *testing.T) {
 
 	m2 := map[string]interface{}{
 		"Foo": 52,
-		"Bar": map[interface{}]interface {
-		}{
+		"Bar": map[interface{}]interface{}{
 			"bCd": "A",
 			"eFG": "B",
 		},