diff --git a/src/ontology/cl-edit.owl b/src/ontology/cl-edit.owl
index 44b685703..90c285400 100644
--- a/src/ontology/cl-edit.owl
+++ b/src/ontology/cl-edit.owl
@@ -3111,6 +3111,7 @@ Declaration(Class(obo:CL_4047030))
 Declaration(Class(obo:CL_4047032))
 Declaration(Class(obo:CL_4047034))
 Declaration(Class(obo:CL_4047035))
+Declaration(Class(obo:CL_4047040))
 Declaration(Class(obo:CL_4047051))
 Declaration(Class(obo:CL_4047052))
 Declaration(Class(obo:CL_4047101))
@@ -33108,6 +33109,14 @@ AnnotationAssertion(terms:date obo:CL_4047035 "2024-12-05T16:13:49Z"^^xsd:dateTi
 AnnotationAssertion(rdfs:label obo:CL_4047035 "stomach smooth muscle outer longitudinal layer cell"@en)
 SubClassOf(obo:CL_4047035 obo:CL_4047034)
 
+# Class: obo:CL_4047040 (smooth muscle circular layer cell)
+
+AnnotationAssertion(Annotation(oboInOwl:hasDbXref "PMID:18221249") Annotation(oboInOwl:hasDbXref "PMID:27445346") obo:IAO_0000115 obo:CL_4047040 "A smooth muscle circular layer cell is a specialized cell type found in the inner muscular layer of hollow organs. It is characterized by its spindle shape, single nucleus, lack of striations, involuntary contraction ability, and spiral/helical arrangement around organ lumens. This cell is crucial for peristaltic movements in organs.")
+AnnotationAssertion(terms:contributor obo:CL_4047040 <https://orcid.org/0009-0005-7919-4905>)
+AnnotationAssertion(terms:date obo:CL_4047040 "2025-01-06T15:40:21Z"^^xsd:dateTime)
+AnnotationAssertion(rdfs:label obo:CL_4047040 "smooth muscle circular layer cell")
+SubClassOf(obo:CL_4047040 obo:CL_0000192)
+
 # Class: obo:CL_4047051 (small intestine BEST4+ enterocyte)
 
 AnnotationAssertion(Annotation(oboInOwl:hasDbXref "PMID:24223998") Annotation(oboInOwl:hasDbXref "PMID:34497389") obo:IAO_0000115 obo:CL_4047051 "An enterocyte of the human small intestine expressing bestrophin-4 (BEST4) calcium-activated ion channels.  These enterocytes have a disinctive transcriptomic profile and are scattered through the small intestine epithelium.")