diff --git a/docs/conf.py b/docs/conf.py
index 00dd9f84c..dc26dda07 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,9 +14,9 @@
 # -- Project information -----------------------------------------------------
 
 project = 'Python SDK reference'
-copyright = '2024, Labelbox'
+copyright = '2025, Labelbox'
 author = 'Labelbox'
-release = '6.6.0'
+release = '6.7.0'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/libs/labelbox/CHANGELOG.md b/libs/labelbox/CHANGELOG.md
index 4d606365c..e2679e3a6 100644
--- a/libs/labelbox/CHANGELOG.md
+++ b/libs/labelbox/CHANGELOG.md
@@ -1,4 +1,9 @@
 # Changelog
+# Version 6.7.0 (2025-02-06)
+## Added
+* MAL support for pdf relationships (beta)([#1932](https://github.com/Labelbox/labelbox-python/pull/1932))
+* Allow setting read_only for relationships (beta)([#1950](https://github.com/Labelbox/labelbox-python/pull/1950))
+
 # Version 6.6.0 (2025-01-14)
 ## Added
 * Support for python 3.13([#1940](https://github.com/Labelbox/labelbox-python/pull/1940))
diff --git a/libs/labelbox/pyproject.toml b/libs/labelbox/pyproject.toml
index 4a8de76db..52796fb3e 100644
--- a/libs/labelbox/pyproject.toml
+++ b/libs/labelbox/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "labelbox"
-version = "6.6.0"
+version = "6.7.0"
 description = "Labelbox Python API"
 authors = [{ name = "Labelbox", email = "engineering@labelbox.com" }]
 dependencies = [
diff --git a/libs/labelbox/src/labelbox/__init__.py b/libs/labelbox/src/labelbox/__init__.py
index 59d9dc8ad..68605ad0c 100644
--- a/libs/labelbox/src/labelbox/__init__.py
+++ b/libs/labelbox/src/labelbox/__init__.py
@@ -1,6 +1,6 @@
 name = "labelbox"
 
-__version__ = "6.6.0"
+__version__ = "6.7.0"
 
 from labelbox.client import Client
 from labelbox.schema.annotation_import import (
diff --git a/libs/labelbox/src/labelbox/data/annotation_types/relationship.py b/libs/labelbox/src/labelbox/data/annotation_types/relationship.py
index 760c6a529..a5b84b3ba 100644
--- a/libs/labelbox/src/labelbox/data/annotation_types/relationship.py
+++ b/libs/labelbox/src/labelbox/data/annotation_types/relationship.py
@@ -19,7 +19,7 @@ class Type(Enum):
     type: Type = Type.UNIDIRECTIONAL
     readonly: Optional[bool] = None
 
-    @model_validator(mode='after')
+    @model_validator(mode="after")
     def check_readonly(self):
         if self.readonly is True:
             warnings.warn(
diff --git a/libs/labelbox/src/labelbox/data/serialization/ndjson/relationship.py b/libs/labelbox/src/labelbox/data/serialization/ndjson/relationship.py
index 6ed4d4ac6..8495fdc04 100644
--- a/libs/labelbox/src/labelbox/data/serialization/ndjson/relationship.py
+++ b/libs/labelbox/src/labelbox/data/serialization/ndjson/relationship.py
@@ -16,6 +16,7 @@ class _Relationship(BaseModel):
     type: str
     readonly: Optional[bool] = None
 
+
 class NDRelationship(NDAnnotation):
     relationship: _Relationship
 
diff --git a/libs/labelbox/tests/data/annotation_import/test_relationships.py b/libs/labelbox/tests/data/annotation_import/test_relationships.py
index 36d59db72..695bac9b2 100644
--- a/libs/labelbox/tests/data/annotation_import/test_relationships.py
+++ b/libs/labelbox/tests/data/annotation_import/test_relationships.py
@@ -395,7 +395,10 @@ def test_relationship_readonly_explicit_true():
         value=TextEntity(start=30, end=35),
     )
 
-    with pytest.warns(UserWarning, match="Creating a relationship with readonly=True is in beta.*"):
+    with pytest.warns(
+        UserWarning,
+        match="Creating a relationship with readonly=True is in beta.*",
+    ):
         relationship = RelationshipAnnotation(
             name="rel",
             value=Relationship(
diff --git a/libs/labelbox/tests/data/serialization/ndjson/test_relationship.py b/libs/labelbox/tests/data/serialization/ndjson/test_relationship.py
index bdd3816e7..7aea28d95 100644
--- a/libs/labelbox/tests/data/serialization/ndjson/test_relationship.py
+++ b/libs/labelbox/tests/data/serialization/ndjson/test_relationship.py
@@ -261,13 +261,27 @@ def test_readonly_relationships():
     )
 
     # Verify readonly relationship
-    assert readonly_rel_serialized["relationship"]["source"] == ner_source_serialized["uuid"]
-    assert readonly_rel_serialized["relationship"]["target"] == ner_target_serialized["uuid"]
+    assert (
+        readonly_rel_serialized["relationship"]["source"]
+        == ner_source_serialized["uuid"]
+    )
+    assert (
+        readonly_rel_serialized["relationship"]["target"]
+        == ner_target_serialized["uuid"]
+    )
     assert readonly_rel_serialized["relationship"]["type"] == "unidirectional"
     assert readonly_rel_serialized["relationship"]["readonly"] is True
 
     # Verify non-readonly relationship
-    assert non_readonly_rel_serialized["relationship"]["source"] == ner_source_serialized["uuid"]
-    assert non_readonly_rel_serialized["relationship"]["target"] == ner_target_serialized["uuid"]
-    assert non_readonly_rel_serialized["relationship"]["type"] == "bidirectional"
+    assert (
+        non_readonly_rel_serialized["relationship"]["source"]
+        == ner_source_serialized["uuid"]
+    )
+    assert (
+        non_readonly_rel_serialized["relationship"]["target"]
+        == ner_target_serialized["uuid"]
+    )
+    assert (
+        non_readonly_rel_serialized["relationship"]["type"] == "bidirectional"
+    )
     assert non_readonly_rel_serialized["relationship"]["readonly"] is False