diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh
index a02d74e..629aadc 100644
--- a/scripts/entrypoint.sh
+++ b/scripts/entrypoint.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # StemeDB cluster entrypoint — runs both stemedb-api (storage) and stemedb-node (gateway/SWIM).
 #
 # In single-node mode (STEMEDB_CLUSTER_MODE unset or "false"), only stemedb-api runs.