diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39e9a03..5907324 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [Backend 0.6.6] - 2026-08-19
+
+### Fixed
+
+- Re-importing an existing operation UUID now safely skips the row even if other source fields changed.
+
 ## [Backend 0.6.5] - 2026-08-19
 
 ### Fixed
diff --git a/backend/package.json b/backend/package.json
index 3146015..b280c9b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@family-budget/backend",
-  "version": "0.6.5",
+  "version": "0.6.6",
   "private": true,
   "scripts": {
     "dev": "tsx watch src/app.ts",
diff --git a/backend/src/services/import.ts b/backend/src/services/import.ts
index 5169804..1f7a1fe 100644
--- a/backend/src/services/import.ts
+++ b/backend/src/services/import.ts
@@ -226,7 +226,7 @@ export async function importStatement(
         `INSERT INTO transactions
            (account_id, operation_id, operation_at, amount_signed, commission, description, direction, fingerprint, category_id, is_category_confirmed, import_id)
          VALUES ($1, COALESCE($2::uuid, gen_random_uuid()), $3, $4, $5, $6, $7, $8, $9, $10, $11)
-         ON CONFLICT (account_id, fingerprint) DO NOTHING
+         ON CONFLICT DO NOTHING
          RETURNING id`,
         [accountId, tx.operationId ?? null, tx.operationAt, tx.amountSigned, tx.commission, tx.description, dir, fp, categoryId, isCategoryConfirmed, importId],
       );