diff --git a/content/draft7/validation/definitions.markdown b/content/draft7/validation/definitions.markdown
index 5d65efd..c734484 100644
--- a/content/draft7/validation/definitions.markdown
+++ b/content/draft7/validation/definitions.markdown
@@ -13,6 +13,8 @@ index: 999
 tests:
   - draft7/definitions.json
 introduced_in: draft4
+changed_in:
+  - 2019-09
 related:
   - vocabulary: core
     keyword: $ref
diff --git a/content/draft7/validation/dependencies.markdown b/content/draft7/validation/dependencies.markdown
index 3b44a39..64bb099 100644
--- a/content/draft7/validation/dependencies.markdown
+++ b/content/draft7/validation/dependencies.markdown
@@ -13,6 +13,8 @@ index: -3
 tests:
   - draft7/dependencies.json
 introduced_in: draft3
+changed_in:
+  - 2019-09
 related:
   - vocabulary: validation
     keyword: required
diff --git a/content/draft7/validation/items.markdown b/content/draft7/validation/items.markdown
index 7fc55a4..315a4c2 100644
--- a/content/draft7/validation/items.markdown
+++ b/content/draft7/validation/items.markdown
@@ -14,7 +14,7 @@ tests:
 introduced_in: draft1
 index: -99
 changed_in:
-  - draft6
+  - 2020-12
 interdependencies:
   - vocabulary: validation
     keyword: minItems