diff --git a/postgres/config.json b/postgres/config.json
index b6a376d44..72e432f89 100644
--- a/postgres/config.json
+++ b/postgres/config.json
@@ -39,5 +39,5 @@
   "slug": "postgres",
   "udev": true,
   "url": "https://github.com/alexbelgium/hassio-addons/tree/master/postgres",
-  "version": "15.7-37"
+  "version": "15.7-37_test2"
 }
diff --git a/postgres/rootfs/etc/cont-init.d/99-run.sh b/postgres/rootfs/etc/cont-init.d/99-run.sh
index 4fd91ddca..bf96e69f6 100755
--- a/postgres/rootfs/etc/cont-init.d/99-run.sh
+++ b/postgres/rootfs/etc/cont-init.d/99-run.sh
@@ -134,6 +134,14 @@ upgrade_postgres_if_needed() {
 
         fix_permissions
 
+        # --- Ensure vchord is loaded via shared_preload_libraries before pg_upgrade ---
+        if grep -q '^shared_preload_libraries' "$PGDATA/postgresql.conf"; then
+            sed -i "s/^shared_preload_libraries.*/shared_preload_libraries = 'vchord,vectors'/" "$PGDATA/postgresql.conf"
+        else
+            echo "shared_preload_libraries = 'vchord,vectors'" >> "$PGDATA/postgresql.conf"
+        fi
+        bashio::log.info "Set shared_preload_libraries = 'vchord,vectors' in $PGDATA/postgresql.conf"
+
         # Upgrade using pg_upgrade
         bashio::log.info "Running pg_upgrade from $CLUSTER_VERSION → $IMAGE_VERSION"
         chmod 700 "$PGDATA"