diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e87e420..3cc2b3b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - Add `composed entity expression` as a new value in the `EntityType` enumeration ([issue](https://github.com/mapping-commons/sssom/issues/402)).
 - Add `predicate_type` slot (previously defined but unused) to the `Mapping` and `MappingSet` classes ([issue](https://github.com/mapping-commons/sssom/issues/404)).
 - Add `similarity_measure` slot to the `MappingSet` class ([issue](https://github.com/mapping-commons/sssom/issues/411)).
+- Change the type of the `see_also` slot to `xsd:anyURI` ([issue](https://github.com/mapping-commons/sssom/issues/422)).
 - TBD
 
 ## SSSOM version 1.0.0
diff --git a/src/sssom_schema/schema/sssom_schema.yaml b/src/sssom_schema/schema/sssom_schema.yaml
index 4b41afe1..707ea0a7 100644
--- a/src/sssom_schema/schema/sssom_schema.yaml
+++ b/src/sssom_schema/schema/sssom_schema.yaml
@@ -689,8 +689,10 @@ slots:
     examples:
       - value: https://github.com/mapping-commons/mh_mapping_initiative/pull/41
         description: A URL pointing to the pull request that introduced the mapping.
-    range: string
+    range: uri
     multivalued: true
+    see_also:
+      - https://github.com/mapping-commons/sssom/issues/422
   other:
     description: "Pipe separated list of key value pairs for properties not part of
       the SSSOM spec. Can be used to encode additional provenance data. NOTE. This