diff --git a/catalog-spec/json-schema/catalog.json b/catalog-spec/json-schema/catalog.json
index 3cb85ff9..1e137ed5 100644
--- a/catalog-spec/json-schema/catalog.json
+++ b/catalog-spec/json-schema/catalog.json
@@ -23,7 +23,7 @@
         "stac_version": {
           "title": "STAC version",
           "type": "string",
-          "const": "1.0.0-rc.3"
+          "const": "1.0.0-rc.4"
         },
         "stac_extensions": {
           "title": "STAC extensions",
diff --git a/collection-spec/json-schema/collection.json b/collection-spec/json-schema/collection.json
index d242dd62..2358a3fd 100644
--- a/collection-spec/json-schema/collection.json
+++ b/collection-spec/json-schema/collection.json
@@ -26,7 +26,7 @@
         "stac_version": {
           "title": "STAC version",
           "type": "string",
-          "const": "1.0.0-rc.3"
+          "const": "1.0.0-rc.4"
         },
         "stac_extensions": {
           "title": "STAC extensions",