diff --git a/charts/kokoro-fastapi/values.yaml b/charts/kokoro-fastapi/values.yaml
index e2e37e4..ba779d5 100644
--- a/charts/kokoro-fastapi/values.yaml
+++ b/charts/kokoro-fastapi/values.yaml
@@ -17,6 +17,7 @@ kokoroTTS:
 
 nameOverride: ""
 fullnameOverride: ""
+runtimeClassName: ""
 
 serviceAccount:
   # Specifies whether a service account should be created