diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3371b81b..214155904 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!--next-version-placeholder-->
 
+## v5.16.4 (2023-12-06)
+
+### Fix
+
+* Accordion state ([#1544](https://github.com/ocadotechnology/rapid-router/issues/1544)) ([`9d35423`](https://github.com/ocadotechnology/rapid-router/commit/9d354231c18eb81f20100051d164d4764eb37612))
+
 ## v5.16.3 (2023-12-05)
 
 ### Fix
diff --git a/game/__init__.py b/game/__init__.py
index d0a8e9515..776364794 100644
--- a/game/__init__.py
+++ b/game/__init__.py
@@ -1 +1 @@
-__version__ = "5.16.3"
+__version__ = "5.16.4"