diff --git a/sys/context/shared.jsonld b/sys/context/shared.jsonld
index 2b97a8ea..58440dca 100644
--- a/sys/context/shared.jsonld
+++ b/sys/context/shared.jsonld
@@ -34,6 +34,7 @@
     "allValuesFrom": {"@id": "owl:allValuesFrom"},
     "someValuesFrom": {"@id": "owl:someValuesFrom"},
     "hasValue": {"@id": "owl:hasValue"},
+    "deprecated": {"@id": "owl:deprecated"},
     "domain": {"@id": "rdfs:domain", "@container": "@set"},
     "range": {"@id": "rdfs:range", "@container": "@set"},
     "domainIncludes": {"@id": "sdo:domainIncludes", "@container": "@set"},