diff --git a/charts/prometheus-adapter/Chart.yaml b/charts/prometheus-adapter/Chart.yaml
index 2532c89d1d69..3de72fb1bd49 100644
--- a/charts/prometheus-adapter/Chart.yaml
+++ b/charts/prometheus-adapter/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: prometheus-adapter
-version: 4.8.0
+version: 4.8.1
 appVersion: v0.11.1
 description: A Helm chart for k8s prometheus adapter
 home: https://github.com/kubernetes-sigs/prometheus-adapter
diff --git a/charts/prometheus-adapter/values.yaml b/charts/prometheus-adapter/values.yaml
index 695490b15611..b6527ca00caa 100644
--- a/charts/prometheus-adapter/values.yaml
+++ b/charts/prometheus-adapter/values.yaml
@@ -48,7 +48,7 @@ podSecurityContext:
 securityContext:
   allowPrivilegeEscalation: false
   capabilities:
-    drop: ["all"]
+    drop: ["ALL"]
   readOnlyRootFilesystem: true
   runAsNonRoot: true
   runAsUser: 10001