diff --git a/charts/wyoming-piper/values.yaml b/charts/wyoming-piper/values.yaml
index 5043953..f710f42 100644
--- a/charts/wyoming-piper/values.yaml
+++ b/charts/wyoming-piper/values.yaml
@@ -79,7 +79,7 @@ livenessProbe:
 readinessProbe:
   exec:
     command:
-      - /bin/sh
+      - /bin/bash
       - -c
       - >-
         echo '{ "type": "describe" }' > /dev/tcp/localhost/10200