diff --git a/CHANGELOG.md b/CHANGELOG.md
index 496787a58d..983080d5a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # [Unreleased](https://github.com/pybamm-team/PyBaMM/)
 
-# [v23.5](https://github.com/pybamm-team/PyBaMM/tree/v23.5) - 2023-05-31
+# [v23.5](https://github.com/pybamm-team/PyBaMM/tree/v23.5) - 2023-06-18
 
 ## Bug fixes