diff --git a/ontology/uco/observable/observable.ttl b/ontology/uco/observable/observable.ttl
index 50fdc0be..c3c0b5b1 100644
--- a/ontology/uco/observable/observable.ttl
+++ b/ontology/uco/observable/observable.ttl
@@ -386,6 +386,11 @@ observable:ApplicationFacet
 			sh:maxCount "1"^^xsd:integer ;
 			sh:nodeKind sh:Literal ;
 			sh:path observable:version ;
+		] ,
+		[
+			sh:datatype xsd:string ;
+			sh:nodeKind sh:Literal ;
+			sh:path observable:permissionName ;
 		]
 		;
 	sh:targetClass observable:ApplicationFacet ;
@@ -11193,6 +11198,13 @@ observable:peType
 	rdfs:range xsd:string ;
 	.
 
+observable:permissionName
+	a owl:DatatypeProperty ;
+	rdfs:label "permissionName"@en ;
+	rdfs:comment "Specifies the string name for a permission, primarily related to application permissions."@en ;
+	rdfs:range xsd:string ;
+	.
+
 observable:phoneActivationTime
 	a owl:DatatypeProperty ;
 	rdfs:label "phoneActivationTime"@en ;