diff --git a/charts/prometheus-operator-admission-webhook/Chart.yaml b/charts/prometheus-operator-admission-webhook/Chart.yaml
index 21b48d7415dc..45ed75c8a014 100644
--- a/charts/prometheus-operator-admission-webhook/Chart.yaml
+++ b/charts/prometheus-operator-admission-webhook/Chart.yaml
@@ -2,7 +2,7 @@
 apiVersion: v2
 description: Prometheus Operator Admission Webhook
 name: prometheus-operator-admission-webhook
-version: 0.43.2
+version: 0.43.3
 # renovate: github=prometheus-operator/prometheus-operator
 appVersion: 0.93.1
 home: https://github.com/prometheus-operator/prometheus-operator
diff --git a/charts/prometheus-operator-admission-webhook/values.yaml b/charts/prometheus-operator-admission-webhook/values.yaml
index c0f626546f25..66c16b9f176c 100644
--- a/charts/prometheus-operator-admission-webhook/values.yaml
+++ b/charts/prometheus-operator-admission-webhook/values.yaml
@@ -82,7 +82,7 @@ jobs:
   image:
     registry: ghcr.io
     repository: jkroepke/kube-webhook-certgen
-    tag: 1.8.7
+    tag: 1.8.8
     ## sha256 digest overrides tag
     # digest: 4d99688e557396f5baa150e019ff7d5b7334f9b9f9a8dab64038c5c2a006f6b5
     digest: ""