diff --git a/back/prisma/migrations/20230419061306_google_auth/migration.sql b/back/prisma/migrations/20230419061306_google_auth/migration.sql
new file mode 100644
index 0000000..88eb841
--- /dev/null
+++ b/back/prisma/migrations/20230419061306_google_auth/migration.sql
@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[googleId]` on the table `User` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- AlterTable
+ALTER TABLE "User" ADD COLUMN     "googleId" TEXT;
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_googleId_key" ON "User"("googleId");