diff --git a/backend/src/graphql/resolver/StatisticsResolver.ts b/backend/src/graphql/resolver/StatisticsResolver.ts
index b0c061d91..7bfae319e 100644
--- a/backend/src/graphql/resolver/StatisticsResolver.ts
+++ b/backend/src/graphql/resolver/StatisticsResolver.ts
@@ -63,6 +63,8 @@ export class StatisticsResolver {
       .where('transaction.decay IS NOT NULL')
       .getRawOne()
 
+    await queryRunner.release()
+
     return {
       totalUsers,
       activeUsers,