diff --git a/Event/xAOD/xAODTruthAthenaPool/CMakeLists.txt b/Event/xAOD/xAODTruthAthenaPool/CMakeLists.txt
index 7a01f6983cd1ded443cc1efb3a2c055f975fc8d2..a68dd551f909bb68ab62551d4620b656b090a968 100644
--- a/Event/xAOD/xAODTruthAthenaPool/CMakeLists.txt
+++ b/Event/xAOD/xAODTruthAthenaPool/CMakeLists.txt
@@ -35,7 +35,7 @@ find_package( AthenaPoolUtilitiesTest )
 if( ATHENAPOOLUTILITIESTEST_FOUND AND NOT SIMULATIONBASE
    AND NOT GENERATIONBASE )
    set( XAODTRUTHATHENAPOOL_REFERENCE_TAG
-      xAODTruthAthenaPoolReference-02-00-00 )
+      xAODTruthAthenaPoolReference-02-00-01 )
    run_tpcnv_test( xAODTruthAthenaPool_21.0.79   AOD-21.0.79-full
       REQUIRED_LIBRARIES xAODTruthAthenaPoolPoolCnv
       REFERENCE_TAG ${XAODTRUTHATHENAPOOL_REFERENCE_TAG} )