diff --git a/CHANGES.md b/CHANGES.md
index fbb6abe..abb2609 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,9 +6,9 @@
 |-------------|---|---|
 | 2.9.24      | [Dump model]</br>change the names of the classes to be able to automatically create the json schema with specific descriptions | beta |
 | 2.9.23      | [Graph model]<br>Added Instance.measures field, allowing to maintain the association between them and the individual result instance</br>[Dump model]</br>added json schemas | beta |
-| 2.8.22      | [Graph model]<br>minor: added serializable to the Measures model class</br>[Dump model]</br>added dedicated BestAccessRight class, used at the result level instead of AccessRight | beta |
-| 2.8.21      | [Graph model]<br>added the following relation terms Describes/IsDescribedBy, IsMetadataFor/IsMetadataOf, HasAssociationWith/HasAssociationWith, IsRequiredBy/Requires. All these are used in combination with the relation subRelType "relationship" | beta |
-| 2.8.20      | [Graph model]<br>added constants declaring the values used for hierarchical relationships among the organizations IsParentOf / IsChildOf | beta |
+| 2.8.22      | [Graph model]<br>minor: added serializable to the Measures model class</br>[Dump model]</br>added dedicated BestAccessRight class, used at the result level instead of AccessRight | production |
+| 2.8.21      | [Graph model]<br>added the following relation terms Describes/IsDescribedBy, IsMetadataFor/IsMetadataOf, HasAssociationWith/HasAssociationWith, IsRequiredBy/Requires. All these are used in combination with the relation subRelType "relationship" | production |
+| 2.8.20      | [Graph model]<br>added constants declaring the values used for hierarchical relationships among the organizations IsParentOf / IsChildOf | production |
 | 2.7.18-19   | [Dump model]<br>include validation info in relations<br>[Graph model]<br>added constants declaring vocabulary names for relation fields | production |
 | 2.7.17      | [Dump model]<br>aligned the graph dump schema to mirror the changes in the model<br>1. Added openaccessroute at the level of the instance inside the AccessRight element;<br>2. Added pid and the alternate identifiers at the level of the instance;<br>3. Added the bipFinder measures | production |
 | 2.7.16      | [Graph model]<br>Updated the casing of the following terms (`relation.relClass`):<br>1. `isRelatedTo -> IsRelatedTo`<br>Added the following `relClass` terms:<br>1. `IsAmongTopNSimilarDocuments`<br>2. `HasAmongTopNSimilarDocuments` | production |