diff --git a/packages/services/presence-service/prisma/schema.prisma b/packages/services/presence-service/prisma/schema.prisma
index f2df3dc..86428be 100644
--- a/packages/services/presence-service/prisma/schema.prisma
+++ b/packages/services/presence-service/prisma/schema.prisma
@@ -5,7 +5,9 @@
 // =============================================================================
 
 generator client {
-  provider = "prisma-client-js"
+  provider      = "prisma-client-js"
+  // Alpine Linux (musl libc) + OpenSSL 3 — must match the Docker base image (node:18-alpine)
+  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
 }
 
 datasource db {