diff --git a/charts/prometheus-adapter/values.yaml b/charts/prometheus-adapter/values.yaml
index 7e19862c01e0..ec289480a9c3 100644
--- a/charts/prometheus-adapter/values.yaml
+++ b/charts/prometheus-adapter/values.yaml
@@ -113,6 +113,10 @@ readinessProbe:
   initialDelaySeconds: 30
   timeoutSeconds: 5
 
+# Configure startup probe
+# Use if prometheus-adapter takes a long time to finish startup e.g. polling a lot of API versions in cluster
+startupProbe: {}
+
 rules:
   default: true