diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index da06773d48..36d5027ed2 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -230,6 +230,12 @@ Changelog
  * Maintenance: Don't update the reference index while deleting it (Andy Chosak)
 
 
+5.0.4 (04.10.2023)
+~~~~~~~~~~~~~~~~~~
+
+ * Maintenance: Relax Willow / Pillow dependency to allow use of current Pillow versions with security fixes (Dan Braghis)
+
+
 5.0.3 (25.09.2023)
 ~~~~~~~~~~~~~~~~~~
 
diff --git a/docs/releases/5.0.4.md b/docs/releases/5.0.4.md
new file mode 100644
index 0000000000..1d1aa0b123
--- /dev/null
+++ b/docs/releases/5.0.4.md
@@ -0,0 +1,16 @@
+# Wagtail 5.0.4 release notes
+
+_October 4, 2023_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+### Maintenance
+
+ * Relax Willow / Pillow dependency to allow use of current Pillow versions with security fixes (Dan Braghis)
diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index fa6c9d9b8e..bafb75494a 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -10,6 +10,7 @@ Release notes
    5.1.2
    5.1.1
    5.1
+   5.0.4
    5.0.3
    5.0.2
    5.0.1