diff --git a/apps/portal/prisma/migrations/20221104084342_add_cascade_delete_to_analysed_offer_in_analysis_unit/migration.sql b/apps/portal/prisma/migrations/20221104084342_add_cascade_delete_to_analysed_offer_in_analysis_unit/migration.sql
new file mode 100644
index 00000000..12ec892c
--- /dev/null
+++ b/apps/portal/prisma/migrations/20221104084342_add_cascade_delete_to_analysed_offer_in_analysis_unit/migration.sql
@@ -0,0 +1,5 @@
+-- DropForeignKey
+ALTER TABLE "OffersAnalysisUnit" DROP CONSTRAINT "OffersAnalysisUnit_analysedOfferId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "OffersAnalysisUnit" ADD CONSTRAINT "OffersAnalysisUnit_analysedOfferId_fkey" FOREIGN KEY ("analysedOfferId") REFERENCES "OffersOffer"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/apps/portal/prisma/migrations/20221104084451_add_cascade_delete_to_overall_analysis_in_offers_analysis/migration.sql b/apps/portal/prisma/migrations/20221104084451_add_cascade_delete_to_overall_analysis_in_offers_analysis/migration.sql
new file mode 100644
index 00000000..a04f6969
--- /dev/null
+++ b/apps/portal/prisma/migrations/20221104084451_add_cascade_delete_to_overall_analysis_in_offers_analysis/migration.sql
@@ -0,0 +1,5 @@
+-- DropForeignKey
+ALTER TABLE "OffersAnalysis" DROP CONSTRAINT "OffersAnalysis_overallAnalysisUnitId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "OffersAnalysis" ADD CONSTRAINT "OffersAnalysis_overallAnalysisUnitId_fkey" FOREIGN KEY ("overallAnalysisUnitId") REFERENCES "OffersAnalysisUnit"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/apps/portal/prisma/schema.prisma b/apps/portal/prisma/schema.prisma
index ca3806c1..662a321c 100644
--- a/apps/portal/prisma/schema.prisma
+++ b/apps/portal/prisma/schema.prisma
@@ -410,7 +410,7 @@ model OffersAnalysis {
   offerId             String      @unique
 
   // OVERALL
-  overallAnalysis       OffersAnalysisUnit @relation("OverallAnalysis", fields: [overallAnalysisUnitId], references: [id])
+  overallAnalysis       OffersAnalysisUnit @relation("OverallAnalysis", fields: [overallAnalysisUnitId], references: [id], onDelete: Cascade)
   overallAnalysisUnitId String
 
   companyAnalysis OffersAnalysisUnit[] @relation("CompanyAnalysis")
@@ -419,7 +419,7 @@ model OffersAnalysis {
 model OffersAnalysisUnit {
   id String @id @default(cuid())
 
-  analysedOffer   OffersOffer @relation("Analysed Offer", fields: [analysedOfferId], references: [id])
+  analysedOffer   OffersOffer @relation("Analysed Offer", fields: [analysedOfferId], references: [id], onDelete: Cascade)
   analysedOfferId String
 
   percentile        Float