diff --git a/analyses/cell-type-ewings/references/tumor-cell-state-markers.tsv b/analyses/cell-type-ewings/references/tumor-cell-state-markers.tsv
index 15cee5a87..ca0ad997e 100644
--- a/analyses/cell-type-ewings/references/tumor-cell-state-markers.tsv
+++ b/analyses/cell-type-ewings/references/tumor-cell-state-markers.tsv
@@ -12,6 +12,7 @@ EWS-low	BGN	ENSG00000182492	https://doi.org/10.1158/1078-0432.CCR-23-1111
 EWS-low	S100A10	ENSG00000197747	https://doi.org/10.1158/1078-0432.CCR-23-1111
 EWS-low	SPARC	ENSG00000113140	https://doi.org/10.1158/1078-0432.CCR-23-1111
 EWS-low	COL1A2	ENSG00000164692	https://doi.org/10.1158/1078-0432.CCR-23-1111
+EWS-low	CD44	ENSG00000026508	https://doi.org/10.1101/2024.01.18.576251
 EWS-high	PRKCB	ENSG00000166501	https://doi.org/10.1016/j.celrep.2020.01.049
 EWS-high	LIPI	ENSG00000188992	https://doi.org/10.1016/j.celrep.2020.01.049
 EWS-high	CCND1	ENSG00000110092	https://doi.org/10.1016/j.celrep.2020.01.049