diff --git a/cyclonedx.go b/cyclonedx.go
index e51e687..9afabe0 100644
--- a/cyclonedx.go
+++ b/cyclonedx.go
@@ -821,6 +821,7 @@ const (
 	SpecVersion1_3                        // 1.3
 	SpecVersion1_4                        // 1.4
 	SpecVersion1_5                        // 1.5
+	SpecVersion1_6                        // 1.6
 )
 
 type SWID struct {
diff --git a/cyclonedx_string.go b/cyclonedx_string.go
index ef70083..1e279d1 100644
--- a/cyclonedx_string.go
+++ b/cyclonedx_string.go
@@ -34,11 +34,12 @@ func _() {
 	_ = x[SpecVersion1_3-4]
 	_ = x[SpecVersion1_4-5]
 	_ = x[SpecVersion1_5-6]
+	_ = x[SpecVersion1_6-7]
 }
 
-const _SpecVersion_name = "1.01.11.21.31.41.5"
+const _SpecVersion_name = "1.01.11.21.31.41.51.6"
 
-var _SpecVersion_index = [...]uint8{0, 3, 6, 9, 12, 15, 18}
+var _SpecVersion_index = [...]uint8{0, 3, 6, 9, 12, 15, 18, 21}
 
 func (i SpecVersion) String() string {
 	i -= 1