diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 42bc3e5c17..c21a4f3ef9 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -9,6 +9,7 @@ Changelog
  * Fix: Make sure alt text quality check is on by default as documented (Thibaud Colas)
  * Fix: Prevent `StreamChildrenToListBlockOperation` from duplicating data across multiple StreamField instances (Joshua Munn)
  * Fix: Prevent database error when calling permission_order.register on app ready (Daniel Kirkham, Matt Westcott)
+ * Fix: Prevent error on lazily loading StreamField blocks after the stream has been modified (Stefan Hammer)
  * Docs: Update example for customizing "p-as-heading" accessibility check without overriding built-in checks (Cynthia Kiser)
  * Docs: Update accessibility considerations on alt text in light of contextual alt text improvements (Cynthia Kiser)
  * Docs: Revert incorrect example of appending a `RichTextBlock` to a `StreamField` (Matt Westcott)
diff --git a/docs/releases/6.3.3.md b/docs/releases/6.3.3.md
index 2d8f42da34..34950b2649 100644
--- a/docs/releases/6.3.3.md
+++ b/docs/releases/6.3.3.md
@@ -19,6 +19,7 @@ depth: 1
  * Make sure alt text quality check is on by default as documented (Thibaud Colas)
  * Prevent `StreamChildrenToListBlockOperation` from duplicating data across multiple StreamField instances (Joshua Munn)
  * Prevent database error when calling permission_order.register on app ready (Daniel Kirkham, Matt Westcott)
+ * Prevent error on lazily loading StreamField blocks after the stream has been modified (Stefan Hammer)
 
 ### Documentation