diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e72bed54..9b0f82db 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,9 @@
+django_errors 2.3.12 (2026-07-08)
+=================================
+
+No significant changes.
+
+
 django_errors 2.3.11 (2026-07-02)
 =================================
 
diff --git a/news/process/20260708-lock-upgrade.rst b/news/process/20260708-lock-upgrade.rst
new file mode 100644
index 00000000..73d6ed4d
--- /dev/null
+++ b/news/process/20260708-lock-upgrade.rst
@@ -0,0 +1 @@
+Automated runtime lock file upgrades (2026-07-08).
diff --git a/pyproject.toml b/pyproject.toml
index 894eea94..ae4488bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -161,7 +161,7 @@ package = "django_errors"
 package_dir = "src"
 filename = "CHANGELOG.rst"
 directory = "news/"
-version = "2.3.11"
+version = "2.3.12"
 issue_format = "`#{issue} <https://github.com/DLRSP/django-errors/issues/{issue}>`_"
 type = [
     { name = "Process", directory = "process", showcontent = true },
@@ -174,7 +174,7 @@ type = [
 ]
 
 [tool.bumpversion]
-current_version = "2.3.11"
+current_version = "2.3.12"
 allow_dirty = true
 
 [[tool.bumpversion.files]]
diff --git a/src/django_errors/__init__.py b/src/django_errors/__init__.py
index 0d26d48f..6501bfad 100644
--- a/src/django_errors/__init__.py
+++ b/src/django_errors/__init__.py
@@ -2,7 +2,7 @@
 See PEP 386 (https://peps.python.org/pep-0386/)
 """
 
-__version__ = "2.3.11"
+__version__ = "2.3.12"
 __version_info__ = tuple(
     int(i) if i.isdigit() else i for i in __version__.split(".")
 )