diff --git a/OneM2M_Testcases_CSE_Release_3.ttcn b/OneM2M_Testcases_CSE_Release_3.ttcn
index a989e9a4e86e73eb8f4d67d8da13d3ecd1d3dc8d..a6d42c5db9f17c2105cd352854a9a38755ce36d7 100644
--- a/OneM2M_Testcases_CSE_Release_3.ttcn
+++ b/OneM2M_Testcases_CSE_Release_3.ttcn
@@ -5180,7 +5180,7 @@ module OneM2M_Testcases_CSE_Release_3 {
 					testcase TC_CSE_DMR_UPD_016_TS_ET() runs on Tester system CseSystem {
 						var verdicttype v_verdict;
 						var AeSimu v_ae1 := AeSimu.create("AE1") alive;
-						var Timestamp v_expirationTime := "21001231T012345";
+						var Timestamp v_expirationTime := "20301231T012345";
 						var template RequestPrimitive v_updateRequest := m_updateTimeSeriesBase;
 						var ResponsePrimitive v_responsePrimitive;
 						var PrimitiveContent v_primitiveContentRetrieveResource;