diff --git a/apps/canvas/back/prisma/schema.prisma b/apps/canvas/back/prisma/schema.prisma
index cee6787..e80b827 100644
--- a/apps/canvas/back/prisma/schema.prisma
+++ b/apps/canvas/back/prisma/schema.prisma
@@ -32,7 +32,7 @@
 model Log {
   id              Int     @id @default(autoincrement())
   projectId       Int
-  project         Project @relation(fields: [projectId], references: [id])
+  project         Project @relation(fields: [projectId], references: [id], onDelete: Cascade)
   timestampMilli  BigInt
   contents        String
   commit          String?