diff --git a/cmsswdata.spec b/cmsswdata.spec
index d28070af292..f69d3eec575 100644
--- a/cmsswdata.spec
+++ b/cmsswdata.spec
@@ -41,6 +41,7 @@ Requires: data-L1Trigger-L1TGlobal
 Requires: data-L1Trigger-L1THGCal
 Requires: data-SLHCUpgradeSimulations-Geometry
 Requires: data-CalibTracker-SiStripDCS
+Requires: data-SimTracker-SiStripDigitizer
 
 %if %isnotonline
 # extra data dependencies for standard builds