diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5138acf..6193ac1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v1.6.5
+* (#241) Drop Python 3.9 support in favor of 3.12 and 3.13,
+bump required networkx to 3.4, fix issue with plot_topology
+on networkx 3.4+, and change default multiprocessing
+start method to safer ``forkserver`` method on Linux
+
 ## v1.6.4
 * (#240) fix Pint Quantity import error by using more recent version.
 
diff --git a/setup.py b/setup.py
index 850a7a62..fbb6e2d3 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import setup
 
 
-VERSION = '1.6.4'
+VERSION = '1.6.5'
 
 
 if __name__ == '__main__':