diff --git a/backend/src/common/util/consts.go b/backend/src/common/util/consts.go
index 293f4f5d865..ee54cfdb3a8 100644
--- a/backend/src/common/util/consts.go
+++ b/backend/src/common/util/consts.go
@@ -25,7 +25,7 @@ const (
 	LabelKeyScheduledWorkflowStatus = constants.FullName + "/status"
 
 	// The maximum byte sizes of the parameter column in package/pipeline DB.
-	MaxParameterBytes = 10000
+	MaxParameterBytes = 20000
 
 	// LabelKeyWorkflowEpoch is a label on a Workflow.
 	// It captures the epoch at which the workflow was scheduled.