diff --git a/README.md b/README.md
index 2ec7e45..b51bdb4 100644
--- a/README.md
+++ b/README.md
@@ -182,6 +182,8 @@ name := MyTypeValue.String() // name => "my_type_value"
 - snake-upper
 - kebab
 - kebab-upper
+- dot (dot.case)
+- dot-upper (DOT.CASE)
 - lower (lowercase)
 - upper (UPPERCASE)
 - title (TitleCase)
diff --git a/endtoend_test.go b/endtoend_test.go
index 203ecd6..c2befff 100644
--- a/endtoend_test.go
+++ b/endtoend_test.go
@@ -4,6 +4,7 @@
 
 // go command is not available on android
 
+//go:build !android
 // +build !android
 
 package main
@@ -89,6 +90,12 @@ func TestEndToEnd(t *testing.T) {
 		case "transform_kebab_upper.go":
 			typeName = "KebabUpperCaseValue"
 			transformNameMethod = "kebab-upper"
+		case "transform_dot.go":
+			typeName = "DotCaseValue"
+			transformNameMethod = "dot"
+		case "transform_dot_upper.go":
+			typeName = "DotUpperCaseValue"
+			transformNameMethod = "dot-upper"
 		case "transform_upper.go":
 			typeName = "UpperCaseValue"
 			transformNameMethod = "upper"
diff --git a/stringer.go b/stringer.go
index 49c87fd..48a4bad 100644
--- a/stringer.go
+++ b/stringer.go
@@ -343,6 +343,14 @@ func (g *Generator) transformValueNames(values []Value, transformMethod string)
 		fn = func(s string) string {
 			return strings.ToUpper(name.Delimit(s, '-'))
 		}
+	case "dot":
+		fn = func(s string) string {
+			return strings.ToLower(name.Delimit(s, '.'))
+		}
+	case "dot_upper", "dot-upper":
+		fn = func(s string) string {
+			return strings.ToUpper(name.Delimit(s, '.'))
+		}
 	case "upper":
 		fn = func(s string) string {
 			return strings.ToUpper(s)
diff --git a/testdata/transform_dot.go b/testdata/transform_dot.go
new file mode 100644
index 0000000..2010842
--- /dev/null
+++ b/testdata/transform_dot.go
@@ -0,0 +1,25 @@
+package main
+
+import "fmt"
+
+type DotCaseValue int
+
+const (
+	DotCaseValueOne DotCaseValue = iota
+	DotCaseValueTwo
+	DotCaseValueThree
+)
+
+func main() {
+	ck(DotCaseValueOne, "dot.case.value.one")
+	ck(DotCaseValueTwo, "dot.case.value.two")
+	ck(DotCaseValueThree, "dot.case.value.three")
+	ck(-127, "DotCaseValue(-127)")
+	ck(127, "DotCaseValue(127)")
+}
+
+func ck(value DotCaseValue, str string) {
+	if fmt.Sprint(value) != str {
+		panic("transform_dot.go: " + str)
+	}
+}
diff --git a/testdata/transform_dot_upper.go b/testdata/transform_dot_upper.go
new file mode 100644
index 0000000..7850ed6
--- /dev/null
+++ b/testdata/transform_dot_upper.go
@@ -0,0 +1,25 @@
+package main
+
+import "fmt"
+
+type DotUpperCaseValue int
+
+const (
+	DotUpperCaseValueOne DotUpperCaseValue = iota
+	DotUpperCaseValueTwo
+	DotUpperCaseValueThree
+)
+
+func main() {
+	ck(DotUpperCaseValueOne, "DOT.UPPER.CASE.VALUE.ONE")
+	ck(DotUpperCaseValueTwo, "DOT.UPPER.CASE.VALUE.TWO")
+	ck(DotUpperCaseValueThree, "DOT.UPPER.CASE.VALUE.THREE")
+	ck(-127, "DotUpperCaseValue(-127)")
+	ck(127, "DotUpperCaseValue(127)")
+}
+
+func ck(value DotUpperCaseValue, str string) {
+	if fmt.Sprint(value) != str {
+		panic("transform_dot_upper.go: " + str)
+	}
+}