diff --git a/README.md b/README.md
index 6d57ea5..d7e3a18 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,7 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/errors)](https://goreportcard.com/report/github.com/go-openapi/errors)
 
 Shared errors and error interface used throughout the various libraries found in the go-openapi toolkit.
+
+## Licensing
+
+This library ships under the [SPDX-License-Identifier: Apache-2.0](./LICENSE).
diff --git a/api.go b/api.go
index ba71096..d39233b 100644
--- a/api.go
+++ b/api.go
@@ -35,14 +35,14 @@ func (a *apiError) Code() int32 {
 
 // MarshalJSON implements the JSON encoding interface
 func (a apiError) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"code":    a.code,
 		"message": a.message,
 	})
 }
 
 // New creates a new API error with a code and a message
-func New(code int32, message string, args ...interface{}) Error {
+func New(code int32, message string, args ...any) Error {
 	if len(args) > 0 {
 		return &apiError{
 			code:    code,
@@ -56,7 +56,7 @@ func New(code int32, message string, args ...interface{}) Error {
 }
 
 // NotFound creates a new not found error
-func NotFound(message string, args ...interface{}) Error {
+func NotFound(message string, args ...any) Error {
 	if message == "" {
 		message = "Not found"
 	}
@@ -86,7 +86,7 @@ func (m *MethodNotAllowedError) Code() int32 {
 
 // MarshalJSON implements the JSON encoding interface
 func (m MethodNotAllowedError) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"code":    m.code,
 		"message": m.message,
 		"allowed": m.Allowed,
diff --git a/api_test.go b/api_test.go
index e6a4529..c526d13 100644
--- a/api_test.go
+++ b/api_test.go
@@ -12,8 +12,8 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
+	"github.com/go-openapi/testify/v2/assert"
+	"github.com/go-openapi/testify/v2/require"
 )
 
 type customError struct {
diff --git a/auth_test.go b/auth_test.go
index 50be788..24c0200 100644
--- a/auth_test.go
+++ b/auth_test.go
@@ -6,7 +6,7 @@ package errors
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/go-openapi/testify/v2/assert"
 )
 
 func TestUnauthenticated(t *testing.T) {
diff --git a/go.mod b/go.mod
index 0f26e32..ab82d69 100644
--- a/go.mod
+++ b/go.mod
@@ -1,14 +1,5 @@
 module github.com/go-openapi/errors
 
-require github.com/stretchr/testify v1.11.1
-
-require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/kr/text v0.2.0 // indirect
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)
+require github.com/go-openapi/testify/v2 v2.0.2
 
 go 1.24.0
diff --git a/go.sum b/go.sum
index d595b6f..1876434 100644
--- a/go.sum
+++ b/go.sum
@@ -1,18 +1,2 @@
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
-github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+github.com/go-openapi/testify/v2 v2.0.2 h1:X999g3jeLcoY8qctY/c/Z8iBHTbwLz7R2WXd6Ub6wls=
+github.com/go-openapi/testify/v2 v2.0.2/go.mod h1:HCPmvFFnheKK2BuwSA0TbbdxJ3I16pjwMkYkP4Ywn54=
diff --git a/headers.go b/headers.go
index 1fd510e..2d837c3 100644
--- a/headers.go
+++ b/headers.go
@@ -14,9 +14,9 @@ type Validation struct { //nolint: errname
 	code    int32
 	Name    string
 	In      string
-	Value   interface{}
+	Value   any
 	message string
-	Values  []interface{}
+	Values  []any
 }
 
 func (e *Validation) Error() string {
@@ -30,7 +30,7 @@ func (e *Validation) Code() int32 {
 
 // MarshalJSON implements the JSON encoding interface
 func (e Validation) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"code":    e.code,
 		"message": e.message,
 		"in":      e.In,
@@ -61,7 +61,7 @@ const (
 
 // InvalidContentType error for an invalid content type
 func InvalidContentType(value string, allowed []string) *Validation {
-	values := make([]interface{}, 0, len(allowed))
+	values := make([]any, 0, len(allowed))
 	for _, v := range allowed {
 		values = append(values, v)
 	}
@@ -77,7 +77,7 @@ func InvalidContentType(value string, allowed []string) *Validation {
 
 // InvalidResponseFormat error for an unacceptable response format request
 func InvalidResponseFormat(value string, allowed []string) *Validation {
-	values := make([]interface{}, 0, len(allowed))
+	values := make([]any, 0, len(allowed))
 	for _, v := range allowed {
 		values = append(values, v)
 	}
diff --git a/middleware_test.go b/middleware_test.go
index 47cbb5c..17e2cd4 100644
--- a/middleware_test.go
+++ b/middleware_test.go
@@ -6,7 +6,7 @@ package errors
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/go-openapi/testify/v2/assert"
 )
 
 func TestAPIVerificationFailed(t *testing.T) {
diff --git a/parsing.go b/parsing.go
index 674de67..ea2a7c6 100644
--- a/parsing.go
+++ b/parsing.go
@@ -52,7 +52,7 @@ func (e ParseError) MarshalJSON() ([]byte, error) {
 	if e.Reason != nil {
 		reason = e.Reason.Error()
 	}
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"code":    e.code,
 		"message": e.message,
 		"in":      e.In,
diff --git a/parsing_test.go b/parsing_test.go
index dfcdeaa..cc71616 100644
--- a/parsing_test.go
+++ b/parsing_test.go
@@ -8,7 +8,7 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/go-openapi/testify/v2/assert"
 )
 
 func TestParseError(t *testing.T) {
diff --git a/schema.go b/schema.go
index 2d7cba3..e59ca4f 100644
--- a/schema.go
+++ b/schema.go
@@ -119,7 +119,7 @@ func (c *CompositeError) Unwrap() []error {
 
 // MarshalJSON implements the JSON encoding interface
 func (c CompositeError) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"code":    c.code,
 		"message": c.message,
 		"errors":  c.Errors,
@@ -243,7 +243,7 @@ func InvalidTypeName(typeName string) *Validation {
 }
 
 // InvalidType creates an error for when the type is invalid
-func InvalidType(name, in, typeName string, value interface{}) *Validation {
+func InvalidType(name, in, typeName string, value any) *Validation {
 	var message string
 
 	if in != "" {
@@ -291,7 +291,7 @@ func DuplicateItems(name, in string) *Validation {
 }
 
 // TooManyItems error for when an array contains too many items
-func TooManyItems(name, in string, maximum int64, value interface{}) *Validation {
+func TooManyItems(name, in string, maximum int64, value any) *Validation {
 	msg := fmt.Sprintf(maximumItemsFail, name, in, maximum)
 	if in == "" {
 		msg = fmt.Sprintf(maximumItemsFailNoIn, name, maximum)
@@ -307,7 +307,7 @@ func TooManyItems(name, in string, maximum int64, value interface{}) *Validation
 }
 
 // TooFewItems error for when an array contains too few items
-func TooFewItems(name, in string, minimum int64, value interface{}) *Validation {
+func TooFewItems(name, in string, minimum int64, value any) *Validation {
 	msg := fmt.Sprintf(minItemsFail, name, in, minimum)
 	if in == "" {
 		msg = fmt.Sprintf(minItemsFailNoIn, name, minimum)
@@ -322,7 +322,7 @@ func TooFewItems(name, in string, minimum int64, value interface{}) *Validation
 }
 
 // ExceedsMaximumInt error for when maximumimum validation fails
-func ExceedsMaximumInt(name, in string, maximum int64, exclusive bool, value interface{}) *Validation {
+func ExceedsMaximumInt(name, in string, maximum int64, exclusive bool, value any) *Validation {
 	var message string
 	if in == "" {
 		m := maximumIncFailNoIn
@@ -347,7 +347,7 @@ func ExceedsMaximumInt(name, in string, maximum int64, exclusive bool, value int
 }
 
 // ExceedsMaximumUint error for when maximumimum validation fails
-func ExceedsMaximumUint(name, in string, maximum uint64, exclusive bool, value interface{}) *Validation {
+func ExceedsMaximumUint(name, in string, maximum uint64, exclusive bool, value any) *Validation {
 	var message string
 	if in == "" {
 		m := maximumIncFailNoIn
@@ -372,7 +372,7 @@ func ExceedsMaximumUint(name, in string, maximum uint64, exclusive bool, value i
 }
 
 // ExceedsMaximum error for when maximumimum validation fails
-func ExceedsMaximum(name, in string, maximum float64, exclusive bool, value interface{}) *Validation {
+func ExceedsMaximum(name, in string, maximum float64, exclusive bool, value any) *Validation {
 	var message string
 	if in == "" {
 		m := maximumIncFailNoIn
@@ -397,7 +397,7 @@ func ExceedsMaximum(name, in string, maximum float64, exclusive bool, value inte
 }
 
 // ExceedsMinimumInt error for when minimum validation fails
-func ExceedsMinimumInt(name, in string, minimum int64, exclusive bool, value interface{}) *Validation {
+func ExceedsMinimumInt(name, in string, minimum int64, exclusive bool, value any) *Validation {
 	var message string
 	if in == "" {
 		m := minIncFailNoIn
@@ -422,7 +422,7 @@ func ExceedsMinimumInt(name, in string, minimum int64, exclusive bool, value int
 }
 
 // ExceedsMinimumUint error for when minimum validation fails
-func ExceedsMinimumUint(name, in string, minimum uint64, exclusive bool, value interface{}) *Validation {
+func ExceedsMinimumUint(name, in string, minimum uint64, exclusive bool, value any) *Validation {
 	var message string
 	if in == "" {
 		m := minIncFailNoIn
@@ -447,7 +447,7 @@ func ExceedsMinimumUint(name, in string, minimum uint64, exclusive bool, value i
 }
 
 // ExceedsMinimum error for when minimum validation fails
-func ExceedsMinimum(name, in string, minimum float64, exclusive bool, value interface{}) *Validation {
+func ExceedsMinimum(name, in string, minimum float64, exclusive bool, value any) *Validation {
 	var message string
 	if in == "" {
 		m := minIncFailNoIn
@@ -472,7 +472,7 @@ func ExceedsMinimum(name, in string, minimum float64, exclusive bool, value inte
 }
 
 // NotMultipleOf error for when multiple of validation fails
-func NotMultipleOf(name, in string, multiple, value interface{}) *Validation {
+func NotMultipleOf(name, in string, multiple, value any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(multipleOfFailNoIn, name, multiple)
@@ -489,7 +489,7 @@ func NotMultipleOf(name, in string, multiple, value interface{}) *Validation {
 }
 
 // EnumFail error for when an enum validation fails
-func EnumFail(name, in string, value interface{}, values []interface{}) *Validation {
+func EnumFail(name, in string, value any, values []any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(enumFailNoIn, name, values)
@@ -508,7 +508,7 @@ func EnumFail(name, in string, value interface{}, values []interface{}) *Validat
 }
 
 // Required error for when a value is missing
-func Required(name, in string, value interface{}) *Validation {
+func Required(name, in string, value any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(requiredFailNoIn, name)
@@ -525,7 +525,7 @@ func Required(name, in string, value interface{}) *Validation {
 }
 
 // ReadOnly error for when a value is present in request
-func ReadOnly(name, in string, value interface{}) *Validation {
+func ReadOnly(name, in string, value any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(readOnlyFailNoIn, name)
@@ -542,7 +542,7 @@ func ReadOnly(name, in string, value interface{}) *Validation {
 }
 
 // TooLong error for when a string is too long
-func TooLong(name, in string, maximum int64, value interface{}) *Validation {
+func TooLong(name, in string, maximum int64, value any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(tooLongMessageNoIn, name, maximum)
@@ -559,7 +559,7 @@ func TooLong(name, in string, maximum int64, value interface{}) *Validation {
 }
 
 // TooShort error for when a string is too short
-func TooShort(name, in string, minimum int64, value interface{}) *Validation {
+func TooShort(name, in string, minimum int64, value any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(tooShortMessageNoIn, name, minimum)
@@ -578,7 +578,7 @@ func TooShort(name, in string, minimum int64, value interface{}) *Validation {
 
 // FailedPattern error for when a string fails a regex pattern match
 // the pattern that is returned is the ECMA syntax version of the pattern not the golang version.
-func FailedPattern(name, in, pattern string, value interface{}) *Validation {
+func FailedPattern(name, in, pattern string, value any) *Validation {
 	var msg string
 	if in == "" {
 		msg = fmt.Sprintf(patternFailNoIn, name, pattern)
@@ -597,7 +597,7 @@ func FailedPattern(name, in, pattern string, value interface{}) *Validation {
 
 // MultipleOfMustBePositive error for when a
 // multipleOf factor is negative
-func MultipleOfMustBePositive(name, in string, factor interface{}) *Validation {
+func MultipleOfMustBePositive(name, in string, factor any) *Validation {
 	return &Validation{
 		code:    MultipleOfMustBePositiveCode,
 		Name:    name,
diff --git a/schema_test.go b/schema_test.go
index f2218e7..af33121 100644
--- a/schema_test.go
+++ b/schema_test.go
@@ -8,8 +8,8 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
+	"github.com/go-openapi/testify/v2/assert"
+	"github.com/go-openapi/testify/v2/require"
 )
 
 //nolint:maintidx
@@ -265,13 +265,13 @@ func TestSchemaErrors(t *testing.T) {
 	})
 
 	t.Run("with EnumFail", func(t *testing.T) {
-		err := EnumFail("something", "query", "yada", []interface{}{"hello", "world"})
+		err := EnumFail("something", "query", "yada", []any{"hello", "world"})
 		require.Error(t, err)
 		assert.EqualValues(t, EnumFailCode, err.Code())
 		assert.Equal(t, "something in query should be one of [hello world]", err.Error())
 		assert.Equal(t, "yada", err.Value)
 
-		err = EnumFail("something", "", "yada", []interface{}{"hello", "world"})
+		err = EnumFail("something", "", "yada", []any{"hello", "world"})
 		require.Error(t, err)
 		assert.EqualValues(t, EnumFailCode, err.Code())
 		assert.Equal(t, "something should be one of [hello world]", err.Error())