diff --git a/charts/wyoming-piper/values.yaml b/charts/wyoming-piper/values.yaml
index 9d46f53..5043953 100644
--- a/charts/wyoming-piper/values.yaml
+++ b/charts/wyoming-piper/values.yaml
@@ -82,7 +82,7 @@ readinessProbe:
       - /bin/sh
       - -c
       - >-
-        echo '{ "type": "describe" }' | nc localhost 10200
+        echo '{ "type": "describe" }' > /dev/tcp/localhost/10200
     initialDelaySeconds: 15
     periodSeconds: 10
     timeoutSeconds: 5