diff --git a/docs/reference-guides/core-blocks.md b/docs/reference-guides/core-blocks.md
index 29033e278c348..71ad6359adca0 100644
--- a/docs/reference-guides/core-blocks.md
+++ b/docs/reference-guides/core-blocks.md
@@ -660,7 +660,7 @@ Contains the block elements used to render a post, like the title, date, feature
 
 -	**Name:** core/post-template
 -	**Category:** theme
--	**Parent:** core/query
+-	**Ancestor:** core/query
 -	**Supports:** align (full, wide), color (background, gradients, link, text), interactivity (clientNavigation), layout, spacing (blockGap), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 
 ## Post Terms
diff --git a/packages/block-library/src/post-template/block.json b/packages/block-library/src/post-template/block.json
index da576a83312a4..6e1f58155590f 100644
--- a/packages/block-library/src/post-template/block.json
+++ b/packages/block-library/src/post-template/block.json
@@ -4,7 +4,7 @@
 	"name": "core/post-template",
 	"title": "Post Template",
 	"category": "theme",
-	"parent": [ "core/query" ],
+	"ancestor": [ "core/query" ],
 	"description": "Contains the block elements used to render a post, like the title, date, featured image, content or excerpt, and more.",
 	"textdomain": "default",
 	"usesContext": [