diff --git a/psl/psl-core/src/builtin_connectors/cockroach_datamodel_connector.rs b/psl/psl-core/src/builtin_connectors/cockroach_datamodel_connector.rs
index 0bb972c8b9fa..876701b21d67 100644
--- a/psl/psl-core/src/builtin_connectors/cockroach_datamodel_connector.rs
+++ b/psl/psl-core/src/builtin_connectors/cockroach_datamodel_connector.rs
@@ -63,7 +63,8 @@ const CAPABILITIES: ConnectorCapabilities = enumflags2::make_bitflags!(Connector
     DeleteReturning |
     SupportsFiltersOnRelationsWithoutJoins |
     LateralJoin |
-    SupportsDefaultInInsert
+    SupportsDefaultInInsert |
+    DistinctOn
 });
 
 const SCALAR_TYPE_DEFAULTS: &[(ScalarType, CockroachType)] = &[