diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ce22424f..8a92fb87 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,12 @@
 Release History
 ===============
 
+0.5.2 (2020-08-06)
+------------------
+
+* Introduce support for Postgresql Array and JSON columns
+* Allow restricting `List` datatype to specific content types
+
 0.5.1 (2020-07-02)
 ------------------
 
diff --git a/src/protean/impl/repository/sqlalchemy_repo.py b/src/protean/impl/repository/sqlalchemy_repo.py
index 750fefc5..100ebba5 100644
--- a/src/protean/impl/repository/sqlalchemy_repo.py
+++ b/src/protean/impl/repository/sqlalchemy_repo.py
@@ -10,6 +10,7 @@
 from protean.core.exceptions import ConfigurationError, ObjectNotFoundError
 from protean.core.field.association import Reference
 from protean.core.field.basic import (
+    JSON,
     Array,
     Auto,
     Boolean,
@@ -18,7 +19,6 @@
     Dict,
     Float,
     Integer,
-    JSON,
     List,
     String,
     Text,
diff --git a/tests/impl/model/dict_model/test_list_datatype.py b/tests/impl/model/dict_model/test_list_datatype.py
index 35db6ed6..649b2585 100644
--- a/tests/impl/model/dict_model/test_list_datatype.py
+++ b/tests/impl/model/dict_model/test_list_datatype.py
@@ -1,11 +1,12 @@
-import pytest
-
+# Standard Library Imports
 from datetime import datetime
 
+# Protean
+import pytest
+
 from protean.core.aggregate import BaseAggregate
 from protean.core.exceptions import ValidationError
 from protean.core.field.basic import (
-    List,
     Auto,
     Boolean,
     Date,
@@ -13,6 +14,7 @@
     Float,
     Identifier,
     Integer,
+    List,
     String,
 )
 
diff --git a/tests/impl/model/sqlalchemy_model/postgresql/test_array_datatype.py b/tests/impl/model/sqlalchemy_model/postgresql/test_array_datatype.py
index 4f336a11..43393dd9 100644
--- a/tests/impl/model/sqlalchemy_model/postgresql/test_array_datatype.py
+++ b/tests/impl/model/sqlalchemy_model/postgresql/test_array_datatype.py
@@ -1,7 +1,9 @@
-import pytest
-
+# Standard Library Imports
 from datetime import datetime
 
+# Protean
+import pytest
+
 from protean.core.aggregate import BaseAggregate
 from protean.core.exceptions import ValidationError
 from protean.core.field.basic import (
diff --git a/tests/impl/model/sqlalchemy_model/postgresql/test_json_datatype.py b/tests/impl/model/sqlalchemy_model/postgresql/test_json_datatype.py
index d78309f4..f953d010 100644
--- a/tests/impl/model/sqlalchemy_model/postgresql/test_json_datatype.py
+++ b/tests/impl/model/sqlalchemy_model/postgresql/test_json_datatype.py
@@ -1,13 +1,11 @@
-import pytest
-
+# Standard Library Imports
 from datetime import datetime
 
+# Protean
+import pytest
+
 from protean.core.aggregate import BaseAggregate
-from protean.core.field.basic import (
-    DateTime,
-    JSON,
-    String,
-)
+from protean.core.field.basic import JSON, DateTime, String
 
 
 class Event(BaseAggregate):
diff --git a/tests/impl/repository/sqlalchemy_repo/postgresql/test_persistence.py b/tests/impl/repository/sqlalchemy_repo/postgresql/test_persistence.py
index 1fb25151..a50aec3a 100644
--- a/tests/impl/repository/sqlalchemy_repo/postgresql/test_persistence.py
+++ b/tests/impl/repository/sqlalchemy_repo/postgresql/test_persistence.py
@@ -1,13 +1,11 @@
-import pytest
-
+# Standard Library Imports
 from datetime import datetime
 
+# Protean
+import pytest
+
 from protean.core.aggregate import BaseAggregate
-from protean.core.field.basic import (
-    DateTime,
-    JSON,
-    String,
-)
+from protean.core.field.basic import JSON, DateTime, String
 
 
 class Event(BaseAggregate):