diff --git a/docker/volumes/api/kong-entrypoint.sh b/docker/volumes/api/kong-entrypoint.sh
index d5eee9332d9..daf1d5e9a1a 100755
--- a/docker/volumes/api/kong-entrypoint.sh
+++ b/docker/volumes/api/kong-entrypoint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Custom entrypoint for Kong that builds Lua expressions for request-transformer
 # and performs environment variable substitution in the declarative config.