diff --git a/cyclonedx/model/__init__.py b/cyclonedx/model/__init__.py
index 121bde24..a0e6e58c 100644
--- a/cyclonedx/model/__init__.py
+++ b/cyclonedx/model/__init__.py
@@ -64,7 +64,7 @@ class DataFlow(str, Enum):
     This is our internal representation of the dataFlowType simple type within the CycloneDX standard.
 
     .. note::
-        See the CycloneDX Schema: https://cyclonedx.org/docs/1.4/xml/#type_dataFlowType
+        See the CycloneDX Schema: https://cyclonedx.org/docs/1.6/xml/#type_dataFlowType
     """
     INBOUND = 'inbound'
     OUTBOUND = 'outbound'
@@ -82,7 +82,7 @@ class DataClassification:
 
     .. note::
         See the CycloneDX Schema for dataClassificationType:
-        https://cyclonedx.org/docs/1.4/xml/#type_dataClassificationType
+        https://cyclonedx.org/docs/1.6/xml/#type_dataClassificationType
     """
 
     def __init__(
@@ -160,7 +160,7 @@ class Encoding(str, Enum):
     This is our internal representation of the encoding simple type within the CycloneDX standard.
 
     .. note::
-        See the CycloneDX Schema: https://cyclonedx.org/docs/1.4/#type_encoding
+        See the CycloneDX Schema: https://cyclonedx.org/docs/1.6/#type_encoding
     """
     BASE_64 = 'base64'
 
@@ -171,7 +171,7 @@ class AttachedText:
     This is our internal representation of the `attachedTextType` complex type within the CycloneDX standard.
 
     .. note::
-        See the CycloneDX Schema for hashType: https://cyclonedx.org/docs/1.3/#type_attachedTextType
+        See the CycloneDX Schema for hashType: https://cyclonedx.org/docs/1.6/#type_attachedTextType
     """
 
     DEFAULT_CONTENT_TYPE = 'text/plain'
@@ -263,7 +263,7 @@ class HashAlgorithm(str, Enum):
     This is our internal representation of the hashAlg simple type within the CycloneDX standard.
 
     .. note::
-        See the CycloneDX Schema: https://cyclonedx.org/docs/1.3/#type_hashAlg
+        See the CycloneDX Schema: https://cyclonedx.org/docs/1.6/#type_hashAlg
     """
     # see `_HashTypeRepositorySerializationHelper.__CASES` for view/case map
     BLAKE2B_256 = 'BLAKE2b-256'  # Only supported in >= 1.2
@@ -386,7 +386,7 @@ class HashType:
     This is our internal representation of the hashType complex type within the CycloneDX standard.
 
     .. note::
-        See the CycloneDX Schema for hashType: https://cyclonedx.org/docs/1.3/#type_hashType
+        See the CycloneDX Schema for hashType: https://cyclonedx.org/docs/1.6/#type_hashType
     """
 
     @staticmethod
@@ -542,7 +542,7 @@ class ExternalReferenceType(str, Enum):
     Enum object that defines the permissible 'types' for an External Reference according to the CycloneDX schema.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.3/#type_externalReferenceType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_externalReferenceType
     """
     # see `_ExternalReferenceSerializationHelper.__CASES` for view/case map
     ADVERSARY_MODEL = 'adversary-model'  # Only supported in >= 1.5
@@ -810,7 +810,7 @@ class ExternalReference:
     a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.3/#type_externalReference
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_externalReference
     """
 
     def __init__(
@@ -923,7 +923,7 @@ class Property:
     a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_propertyType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_propertyType
 
     Specifies an individual property with a name and value.
     """
@@ -997,7 +997,7 @@ class NoteText:
     a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_releaseNotesType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_releaseNotesType
     """
 
     DEFAULT_CONTENT_TYPE: str = 'text/plain'
@@ -1088,7 +1088,7 @@ class Note:
     a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_releaseNotesType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_releaseNotesType
 
     @todo: Replace ``NoteText`` with ``AttachedText``?
     """
@@ -1171,7 +1171,7 @@ class IdentifiableAction:
     This is our internal representation of the `identifiableActionType` complex type.
 
     .. note::
-        See the CycloneDX specification: https://cyclonedx.org/docs/1.4/xml/#type_identifiableActionType
+        See the CycloneDX specification: https://cyclonedx.org/docs/1.6/xml/#type_identifiableActionType
     """
 
     def __init__(
@@ -1261,7 +1261,7 @@ class Copyright:
     This is our internal representation of the `copyrightsType` complex type.
 
     .. note::
-        See the CycloneDX specification: https://cyclonedx.org/docs/1.4/xml/#type_copyrightsType
+        See the CycloneDX specification: https://cyclonedx.org/docs/1.6/xml/#type_copyrightsType
     """
 
     def __init__(
diff --git a/cyclonedx/model/bom.py b/cyclonedx/model/bom.py
index 7b657604..9539cff2 100644
--- a/cyclonedx/model/bom.py
+++ b/cyclonedx/model/bom.py
@@ -59,7 +59,7 @@ class BomMetaData:
     This is our internal representation of the metadata complex type within the CycloneDX standard.
 
     .. note::
-        See the CycloneDX Schema for Bom metadata: https://cyclonedx.org/docs/1.5/#type_metadata
+        See the CycloneDX Schema for Bom metadata: https://cyclonedx.org/docs/1.6/#type_metadata
     """
 
     def __init__(
@@ -394,7 +394,7 @@ def metadata(self) -> BomMetaData:
             Metadata object instance for this Bom.
 
         .. note::
-            See the CycloneDX Schema for Bom metadata: https://cyclonedx.org/docs/1.3/#type_metadata
+            See the CycloneDX Schema for Bom metadata: https://cyclonedx.org/docs/1.6/#type_metadata
         """
         return self._metadata
 
diff --git a/cyclonedx/model/component.py b/cyclonedx/model/component.py
index f553d5c0..4101ba43 100644
--- a/cyclonedx/model/component.py
+++ b/cyclonedx/model/component.py
@@ -71,7 +71,7 @@ class Commit:
     Our internal representation of the `commitType` complex type.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_commitType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_commitType
     """
 
     def __init__(
@@ -200,7 +200,7 @@ class ComponentEvidence:
     Provides the ability to document evidence collected through various forms of extraction or analysis.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_componentEvidenceType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_componentEvidenceType
     """
 
     def __init__(
@@ -299,7 +299,7 @@ class ComponentScope(str, Enum):
     Enum object that defines the permissable 'scopes' for a Component according to the CycloneDX schema.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.3/#type_scope
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_scope
     """
     # see `_ComponentScopeSerializationHelper.__CASES` for view/case map
     REQUIRED = 'required'
@@ -355,7 +355,7 @@ class ComponentType(str, Enum):
     Enum object that defines the permissible 'types' for a Component according to the CycloneDX schema.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.3/#type_classification
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_classification
     """
     # see `_ComponentTypeSerializationHelper.__CASES` for view/case map
     APPLICATION = 'application'
@@ -434,7 +434,7 @@ class Diff:
     Our internal representation of the `diffType` complex type.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_diffType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_diffType
     """
 
     def __init__(
@@ -505,7 +505,7 @@ class PatchClassification(str, Enum):
     Enum object that defines the permissible `patchClassification`s.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_patchClassification
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_patchClassification
     """
     BACKPORT = 'backport'
     CHERRY_PICK = 'cherry-pick'
@@ -519,7 +519,7 @@ class Patch:
     Our internal representation of the `patchType` complex type.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_patchType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_patchType
     """
 
     def __init__(
@@ -612,7 +612,7 @@ class Pedigree:
     may not be known.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_pedigreeType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_pedigreeType
     """
 
     def __init__(
@@ -769,7 +769,7 @@ class Swid:
     Our internal representation of the `swidType` complex type.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_swidType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_swidType
     """
 
     def __init__(
@@ -1029,7 +1029,7 @@ class Component(Dependable):
     This is our internal representation of a Component within a Bom.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.3/#type_component
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_component
     """
 
     @staticmethod
diff --git a/cyclonedx/model/contact.py b/cyclonedx/model/contact.py
index d9367e95..64f53422 100644
--- a/cyclonedx/model/contact.py
+++ b/cyclonedx/model/contact.py
@@ -194,7 +194,7 @@ class OrganizationalContact:
     within a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_organizationalContact
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_organizationalContact
     """
 
     def __init__(
@@ -287,7 +287,7 @@ class OrganizationalEntity:
     within a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_organizationalEntity
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_organizationalEntity
     """
 
     def __init__(
diff --git a/cyclonedx/model/dependency.py b/cyclonedx/model/dependency.py
index 4cdfe17e..8ed65158 100644
--- a/cyclonedx/model/dependency.py
+++ b/cyclonedx/model/dependency.py
@@ -53,7 +53,7 @@ class Dependency:
     Models a Dependency within a BOM.
 
     .. note::
-        See https://cyclonedx.org/docs/1.4/xml/#type_dependencyType
+        See https://cyclonedx.org/docs/1.6/xml/#type_dependencyType
     """
 
     def __init__(self, ref: BomRef, dependencies: Optional[Iterable['Dependency']] = None) -> None:
diff --git a/cyclonedx/model/impact_analysis.py b/cyclonedx/model/impact_analysis.py
index af1f5766..6722efaf 100644
--- a/cyclonedx/model/impact_analysis.py
+++ b/cyclonedx/model/impact_analysis.py
@@ -22,7 +22,7 @@
 Impact Analysis is new for CycloneDX schema version 1.
 
 .. note::
-    See the CycloneDX Schema extension definition https://cyclonedx.org/docs/1.4
+    See the CycloneDX Schema extension definition https://cyclonedx.org/docs/1.6
 """
 
 
@@ -45,7 +45,7 @@ class ImpactAnalysisAffectedStatus(str, Enum):
     has not disclosed the status.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/#type_impactAnalysisAffectedStatusType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_impactAnalysisAffectedStatusType
     """
 
     AFFECTED = 'affected'
@@ -59,7 +59,7 @@ class ImpactAnalysisJustification(str, Enum):
     Enum object that defines the rationale of why the impact analysis state was asserted.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/#type_impactAnalysisJustificationType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_impactAnalysisJustificationType
     """
 
     CODE_NOT_PRESENT = 'code_not_present'
@@ -79,7 +79,7 @@ class ImpactAnalysisResponse(str, Enum):
     Enum object that defines the valid rationales as to why the impact analysis state was asserted.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/#type_impactAnalysisResponsesType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_impactAnalysisResponsesType
     """
 
     CAN_NOT_FIX = 'can_not_fix'
@@ -95,7 +95,7 @@ class ImpactAnalysisState(str, Enum):
     Enum object that defines the permissible impact analysis states.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/#type_impactAnalysisStateType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_impactAnalysisStateType
     """
 
     RESOLVED = 'resolved'
diff --git a/cyclonedx/model/issue.py b/cyclonedx/model/issue.py
index 56bb6b76..14b35581 100644
--- a/cyclonedx/model/issue.py
+++ b/cyclonedx/model/issue.py
@@ -32,7 +32,7 @@ class IssueClassification(str, Enum):
     This is our internal representation of the enum `issueClassification`.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_issueClassification
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_issueClassification
     """
     DEFECT = 'defect'
     ENHANCEMENT = 'enhancement'
@@ -46,7 +46,7 @@ class IssueTypeSource:
     places within a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_issueType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_issueType
     """
 
     def __init__(
@@ -118,7 +118,7 @@ class IssueType:
     a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/xml/#type_issueType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/xml/#type_issueType
     """
 
     def __init__(
diff --git a/cyclonedx/model/license.py b/cyclonedx/model/license.py
index fa4f2d33..57e7a407 100644
--- a/cyclonedx/model/license.py
+++ b/cyclonedx/model/license.py
@@ -64,7 +64,7 @@ class DisjunctiveLicense:
     a CycloneDX BOM document.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/json/#components_items_licenses
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/json/#components_items_licenses
     """
 
     def __init__(
@@ -94,7 +94,7 @@ def id(self) -> Optional[str]:
 
         .. note::
           See the list of expected values:
-          https://cyclonedx.org/docs/1.4/json/#components_items_licenses_items_license_id
+          https://cyclonedx.org/docs/1.6/json/#components_items_licenses_items_license_id
 
         Returns:
             `str` or `None`
@@ -246,7 +246,7 @@ class LicenseExpression:
 
     .. note::
         See the CycloneDX Schema definition:
-        https://cyclonedx.org/docs/1.4/json/#components_items_licenses_items_expression
+        https://cyclonedx.org/docs/1.6/json/#components_items_licenses_items_expression
     """
 
     def __init__(
diff --git a/cyclonedx/model/lifecycle.py b/cyclonedx/model/lifecycle.py
index 24082f5d..7975e339 100644
--- a/cyclonedx/model/lifecycle.py
+++ b/cyclonedx/model/lifecycle.py
@@ -22,7 +22,7 @@
     Introduced in CycloneDX v1.5
 
 .. note::
-    See the CycloneDX Schema for lifecycles: https://cyclonedx.org/docs/1.5/#metadata_lifecycles
+    See the CycloneDX Schema for lifecycles: https://cyclonedx.org/docs/1.6/#metadata_lifecycles
 """
 
 from enum import Enum
@@ -47,7 +47,7 @@ class LifecyclePhase(str, Enum):
     Enum object that defines the permissible 'phase' for a Lifecycle according to the CycloneDX schema.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.3/#type_classification
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_classification
     """
     DESIGN = 'design'
     PRE_BUILD = 'pre-build'
@@ -64,7 +64,7 @@ class PredefinedLifecycle:
     Object that defines pre-defined phases in the product lifecycle.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.5/#metadata_lifecycles
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#metadata_lifecycles
     """
 
     def __init__(self, phase: LifecyclePhase) -> None:
@@ -103,7 +103,7 @@ class NamedLifecycle:
     Object that defines custom state in the product lifecycle.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.5/#metadata_lifecycles
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#metadata_lifecycles
     """
 
     def __init__(self, name: str, *, description: Optional[str] = None) -> None:
diff --git a/cyclonedx/model/release_note.py b/cyclonedx/model/release_note.py
index a605350e..c6591735 100644
--- a/cyclonedx/model/release_note.py
+++ b/cyclonedx/model/release_note.py
@@ -31,7 +31,7 @@ class ReleaseNotes:
     This is our internal representation of a `releaseNotesType` for a Component in a BOM.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/#type_releaseNotesType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_releaseNotesType
     """
 
     def __init__(
diff --git a/cyclonedx/model/service.py b/cyclonedx/model/service.py
index 9e6af564..a630095d 100644
--- a/cyclonedx/model/service.py
+++ b/cyclonedx/model/service.py
@@ -20,7 +20,7 @@
 This set of classes represents the data that is possible about known Services.
 
 .. note::
-    See the CycloneDX Schema extension definition https://cyclonedx.org/docs/1.4/xml/#type_servicesType
+    See the CycloneDX Schema extension definition https://cyclonedx.org/docs/1.6/xml/#type_servicesType
 """
 
 
@@ -48,7 +48,7 @@ class Service(Dependable):
     Class that models the `service` complex type in the CycloneDX schema.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/xml/#type_service
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/xml/#type_service
     """
 
     def __init__(
diff --git a/cyclonedx/model/tool.py b/cyclonedx/model/tool.py
index 4b056519..ff923bea 100644
--- a/cyclonedx/model/tool.py
+++ b/cyclonedx/model/tool.py
@@ -47,7 +47,7 @@ class Tool:
     In fact, this library will try to provide a compatibility layer if needed.
 
     .. note::
-        See the CycloneDX Schema for toolType: https://cyclonedx.org/docs/1.3/#type_toolType
+        See the CycloneDX Schema for toolType: https://cyclonedx.org/docs/1.6/#type_toolType
     """
 
     def __init__(
diff --git a/cyclonedx/model/vulnerability.py b/cyclonedx/model/vulnerability.py
index 0b7cdc1d..c22d9ef3 100644
--- a/cyclonedx/model/vulnerability.py
+++ b/cyclonedx/model/vulnerability.py
@@ -25,7 +25,7 @@
 Since CycloneDX schema version 1.4, this has become part of the core schema.
 
 .. note::
-    See the CycloneDX Schema extension definition https://cyclonedx.org/docs/1.4/#type_vulnerabilitiesType
+    See the CycloneDX Schema extension definition https://cyclonedx.org/docs/1.6/#type_vulnerabilitiesType
 """
 
 
@@ -63,7 +63,7 @@ class BomTargetVersionRange:
     `version` and `version_range` are mutually exclusive.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilityType
     """
 
     def __init__(
@@ -158,7 +158,7 @@ class BomTarget:
     from a `cyclonedx.parser.BaseParser` implementation.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilityType
     """
 
     def __init__(
@@ -220,7 +220,7 @@ class VulnerabilityAnalysis:
     Class that models the `analysis` sub-element of the `vulnerabilityType` complex type.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilityType
     """
 
     def __init__(
@@ -344,7 +344,7 @@ class VulnerabilityAdvisory:
     Class that models the `advisoryType` complex type.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_advisoryType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_advisoryType
     """
 
     def __init__(
@@ -409,7 +409,7 @@ class VulnerabilitySource:
     This type is used for multiple purposes in the CycloneDX schema.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilitySourceType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilitySourceType
     """
 
     def __init__(
@@ -481,7 +481,7 @@ class VulnerabilityReference:
     intelligence.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilityType
     """
 
     def __init__(
@@ -548,7 +548,7 @@ class VulnerabilityScoreSource(str, Enum):
     Enum object that defines the permissible source types for a Vulnerability's score.
 
     .. note::
-        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.4/#type_scoreSourceType
+        See the CycloneDX Schema definition: https://cyclonedx.org/docs/1.6/#type_scoreSourceType
 
     .. note::
         No explicit carry-over from the former schema extension:
@@ -670,7 +670,7 @@ class VulnerabilitySeverity(str, Enum):
     Class that defines the permissible severities for a Vulnerability.
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_severityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_severityType
     """
     NONE = 'none'
     INFO = 'info'  # Only >= 1.4
@@ -724,7 +724,7 @@ class VulnerabilityRating:
     1.4 - see https://github.com/CycloneDX/specification/blob/master/schema/ext/vulnerability-1.0.xsd.
 
     .. note::
-        See `ratingType` in https://cyclonedx.org/docs/1.4/#ratingType
+        See `ratingType` in https://cyclonedx.org/docs/1.6/#ratingType
 
     .. warning::
         As part of implementing support for CycloneDX schema version 1.4, the three score types defined in the schema
@@ -862,7 +862,7 @@ class VulnerabilityCredits:
     extension (in XML only).
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilityType
     """
 
     def __init__(
@@ -935,7 +935,7 @@ class Vulnerability:
     extension (in XML only).
 
     .. note::
-        See the CycloneDX schema: https://cyclonedx.org/docs/1.4/#type_vulnerabilityType
+        See the CycloneDX schema: https://cyclonedx.org/docs/1.6/#type_vulnerabilityType
     """
 
     def __init__(