diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index fe86e9ae30..2557d41adb 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -41,6 +41,12 @@ Changelog
  * Maintenance: Various performance optimizations to page publishing (Jake Howard)
 
 
+6.3.1 (xx.xx.20xx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~~~
+
+ * ...
+
+
 6.3 LTS (01.11.2024)
 ~~~~~~~~~~~~~~~~~~~~
 
diff --git a/docs/releases/6.3.1.md b/docs/releases/6.3.1.md
new file mode 100644
index 0000000000..d5278767dc
--- /dev/null
+++ b/docs/releases/6.3.1.md
@@ -0,0 +1,17 @@
+# Wagtail 6.3.1 release notes - IN DEVELOPMENT
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+
+### Bug fixes
+
+ * ...
diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index 0ebf8b9103..55c7193f90 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -6,6 +6,7 @@ Release notes
 
    upgrading
    6.4
+   6.3.1
    6.3
    6.2.3
    6.2.2