diff --git a/connection.go b/connection.go
index 75d3ef3..40ee71f 100644
--- a/connection.go
+++ b/connection.go
@@ -40,33 +40,6 @@ const (
 	StatusUnknown Status = ""
 )
 
-// UnpackError returns error with possibility to access RawMessage when
-// connection failed to unpack message
-type UnpackError struct {
-	Err        error
-	RawMessage []byte
-}
-
-func (e *UnpackError) Error() string {
-	return e.Err.Error()
-}
-
-func (e *UnpackError) Unwrap() error {
-	return e.Err
-}
-
-type PackError struct {
-	Err error
-}
-
-func (e *PackError) Error() string {
-	return e.Err.Error()
-}
-
-func (e *PackError) Unwrap() error {
-	return e.Err
-}
-
 // Connection represents an ISO 8583 Connection. Connection may be used
 // by multiple goroutines simultaneously.
 type Connection struct {
@@ -413,7 +386,7 @@ func (c *Connection) writeMessage(w io.Writer, message *iso8583.Message) error {
 	// default message writer
 	packed, err := message.Pack()
 	if err != nil {
-		return utils.NewSafeError(&PackError{err}, "failed to pack message")
+		return fmt.Errorf("packing message: %w", err)
 	}
 
 	// create buffer for header and packed message so we can write it to
@@ -536,7 +509,7 @@ func (c *Connection) writeLoop() {
 			if err != nil {
 				c.handleError(fmt.Errorf("writing message: %w", err))
 
-				var packErr *PackError
+				var packErr *iso8583.PackError
 				if errors.As(err, &packErr) {
 					// let caller know that the message was not sent because of pack error.
 					// We don't set all type of errors to errCh as this case is handled
@@ -587,9 +560,9 @@ func (c *Connection) readLoop() {
 		if err != nil {
 			c.handleError(utils.NewSafeError(err, "failed to read message from connection"))
 
-			// if err is ErrUnpack, we can still continue reading
+			// if err is UnpackError, we can still continue reading
 			// from the connection
-			var unpackErr *UnpackError
+			var unpackErr *iso8583.UnpackError
 			if errors.As(err, &unpackErr) {
 				continue
 			}
@@ -635,11 +608,7 @@ func (c *Connection) readMessage(r io.Reader) (*iso8583.Message, error) {
 	message := iso8583.NewMessage(c.spec)
 	err = message.Unpack(rawMessage)
 	if err != nil {
-		unpackErr := &UnpackError{
-			Err:        err,
-			RawMessage: rawMessage,
-		}
-		return nil, fmt.Errorf("unpacking message: %w", unpackErr)
+		return nil, fmt.Errorf("unpacking message: %w", err)
 	}
 
 	return message, nil
diff --git a/connection_test.go b/connection_test.go
index 3064ca9..990b6ac 100644
--- a/connection_test.go
+++ b/connection_test.go
@@ -289,7 +289,7 @@ func TestClient_Send(t *testing.T) {
 		// then Send should return PackError
 		require.Error(t, err)
 
-		var packError *connection.PackError
+		var packError *iso8583.PackError
 		require.ErrorAs(t, err, &packError)
 	})
 
@@ -367,7 +367,7 @@ func TestClient_Send(t *testing.T) {
 			mu.Lock()
 			defer mu.Unlock()
 
-			var unpackErr *connection.UnpackError
+			var unpackErr *iso8583.UnpackError
 			if errors.As(handledError, &unpackErr) {
 				require.EqualError(t, handledError, "failed to read message from connection")
 				require.EqualError(t, unpackErr, "failed to unpack field 63: no specification found")
diff --git a/go.mod b/go.mod
index 91183df..d169903 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/moov-io/iso8583-connection
 go 1.19
 
 require (
-	github.com/moov-io/iso8583 v0.18.2
+	github.com/moov-io/iso8583 v0.18.3
 	github.com/stretchr/testify v1.8.4
 )
 
@@ -12,6 +12,6 @@ require (
 	github.com/kr/text v0.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/yerden/go-util v1.1.4 // indirect
-	golang.org/x/text v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 918b62a..d63def4 100644
--- a/go.sum
+++ b/go.sum
@@ -9,6 +9,10 @@ github.com/moov-io/iso8583 v0.18.1 h1:J0amw2rhoTv2l5nvY7n4Ee4A34SSBrZESfrZ+Dvke0
 github.com/moov-io/iso8583 v0.18.1/go.mod h1:rqnoLk9z66a2S6OAo6oeVJsGrGwr/MQkx2G7frxS5RI=
 github.com/moov-io/iso8583 v0.18.2 h1:7D/zGxhV7YK23V1SfARU/JcJFVAW9jp0j1k1W5z4WyY=
 github.com/moov-io/iso8583 v0.18.2/go.mod h1:yq1HVUdtNG+NXY0YIaD4od/QOKCCOSk6/ygU2aTE/E0=
+github.com/moov-io/iso8583 v0.18.3-0.20230720140054-1b1d36aa2970 h1:PdUPxYek+MeOea1GfjATYLSDZolsS6IDoUbAsIq6Its=
+github.com/moov-io/iso8583 v0.18.3-0.20230720140054-1b1d36aa2970/go.mod h1:QPxDQTxKJPjECpK8vCsh7TpwvKyIrw3tXN/lrdATzCA=
+github.com/moov-io/iso8583 v0.18.3 h1:RYr/zoNxeRcLpJ1VjJ8e8yC0fRK5+xFqKqpnyMTz3+A=
+github.com/moov-io/iso8583 v0.18.3/go.mod h1:QPxDQTxKJPjECpK8vCsh7TpwvKyIrw3tXN/lrdATzCA=
 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 v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
@@ -20,6 +24,8 @@ golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.10.0 h1:UpjohKhiEgNc0CSauXmwYftY1+LlaC75SJwh0SgCX58=
 golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
+golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=