diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index b0c2baf99c..ee4bfb0705 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -138,7 +138,7 @@ Changelog
  * Maintenance: Upgrade sass-loader to resolve Sass deprecation warnings (Ayaan Qadri)
 
 
-6.3.3 (xx.xx.xxxx) - IN DEVELOPMENT
+6.3.3 (03.02.2025)
 ~~~~~~~~~~~~~~~~~~
 
  * Fix: Correctly place comment buttons next to date / datetime / time fields. (Srishti Jaiswal)
diff --git a/docs/releases/6.3.3.md b/docs/releases/6.3.3.md
index 312111f80c..6eb28e25a9 100644
--- a/docs/releases/6.3.3.md
+++ b/docs/releases/6.3.3.md
@@ -1,6 +1,6 @@
-# Wagtail 6.3.3 release notes - IN DEVELOPMENT
+# Wagtail 6.3.3 release notes
 
-_Unreleased_
+_February 3, 2025_
 
 ```{contents}
 ---