diff --git a/docs/changelog.rst b/docs/changelog.rst
index 407acc11..70d411ee 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -21,6 +21,10 @@ To avail of fixes in an unreleased version, please download a ZIP file
 In progress (unreleased)
 ------------------------
 
+
+v0.3.27 (2025-08-20)
+--------------------
+
 * :gh:issue:`1325` :mod:`mitogen`: Refactor
   ``mitogen.master.scan_code_imports()`` as
   :func:`mitogen.import.codeobj_imports` and speed-up by 1.5 - 2.5 x
diff --git a/mitogen/__init__.py b/mitogen/__init__.py
index f1fdfb3c..cc3cd425 100644
--- a/mitogen/__init__.py
+++ b/mitogen/__init__.py
@@ -35,7 +35,7 @@ be expected. On the slave, it is built dynamically during startup.
 
 
 #: Library version as a tuple.
-__version__ = (0, 3, 27, 'dev')
+__version__ = (0, 3, 28, 'dev')
 
 
 #: This is :data:`False` in slave contexts. Previously it was used to prevent