diff --git a/prisma/migrations/20250723195927_add_expense_expense_codes_models/migration.sql b/prisma/migrations/20250723195927_add_expense_expense_codes_models/migration.sql
new file mode 100644
index 0000000..ed943b3
--- /dev/null
+++ b/prisma/migrations/20250723195927_add_expense_expense_codes_models/migration.sql
@@ -0,0 +1,29 @@
+-- CreateTable
+CREATE TABLE "Expenses" (
+    "id" SERIAL NOT NULL,
+    "timesheet_id" INTEGER NOT NULL,
+    "expense_code_id" INTEGER NOT NULL,
+    "date" TIMESTAMP(3) NOT NULL,
+    "amount" DOUBLE PRECISION NOT NULL,
+    "attachement" TEXT,
+    "description" TEXT,
+    "is_approved" BOOLEAN NOT NULL DEFAULT false,
+    "supervisor_comment" TEXT,
+
+    CONSTRAINT "Expenses_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ExpenseCodes" (
+    "id" SERIAL NOT NULL,
+    "expense_type" TEXT NOT NULL,
+    "bank_code" TEXT NOT NULL,
+
+    CONSTRAINT "ExpenseCodes_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "Expenses" ADD CONSTRAINT "Expenses_timesheet_id_fkey" FOREIGN KEY ("timesheet_id") REFERENCES "timesheets"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Expenses" ADD CONSTRAINT "Expenses_expense_code_id_fkey" FOREIGN KEY ("expense_code_id") REFERENCES "ExpenseCodes"("id") ON DELETE RESTRICT ON UPDATE CASCADE;