diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50d9163..3a805bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # History
 
 
+## 0.4.3 (2022-04-27)
+
+  * Add ability to specify the span from lower to upper values in each term for ranges.
+
 ## 0.4.0 (2022-04-27)
 
 Breaking changes
diff --git a/django_generate_series/__init__.py b/django_generate_series/__init__.py
index df12433..f6b7e26 100644
--- a/django_generate_series/__init__.py
+++ b/django_generate_series/__init__.py
@@ -1 +1 @@
-__version__ = "0.4.2"
+__version__ = "0.4.3"
diff --git a/tests/example/core/tests.py b/tests/example/core/tests.py
index 656dff4..5db97ea 100644
--- a/tests/example/core/tests.py
+++ b/tests/example/core/tests.py
@@ -1,6 +1,5 @@
 import datetime
 import decimal
-import warnings
 
 import pytest
 from django.contrib.postgres.fields import DateRangeField, DateTimeRangeField, DecimalRangeField, IntegerRangeField