diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index afdb1ff..3bac6b8 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -754,7 +754,7 @@ model EmployeePassport {
   issuePlace          String
   previousPassportRef String?
 
-  employee   Employee @relation(fields: [employeeId], references: [id])
+  employee   Employee @relation(fields: [employeeId], references: [id], onDelete: Cascade)
   employeeId String
 
   createdAt DateTime @default(now())
@@ -774,7 +774,7 @@ model EmployeeVisa {
   mrz          String?
   remark       String?
 
-  employee   Employee @relation(fields: [employeeId], references: [id])
+  employee   Employee @relation(fields: [employeeId], references: [id], onDelete: Cascade)
   employeeId String
 
   createdAt DateTime @default(now())
@@ -793,7 +793,7 @@ model EmployeeInCountryNotice {
   travelBy   String
   travelFrom String
 
-  employee   Employee @relation(fields: [employeeId], references: [id])
+  employee   Employee @relation(fields: [employeeId], references: [id], onDelete: Cascade)
   employeeId String
 
   createdAt DateTime @default(now())