diff --git a/apps/cert-manager.yaml b/apps/cert-manager.yaml
new file mode 100644
index 0000000..546949d
--- /dev/null
+++ b/apps/cert-manager.yaml
@@ -0,0 +1,28 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: cert-manager
+  namespace: argo-cd
+spec:
+  project: default
+  source:
+    repoURL: https://charts.jetstack.io
+    chart: cert-manager
+    targetRevision: 1.17.2
+    helm:
+      valuesObject:
+        crds:
+          enabled: true
+        config:
+          apiVersion: controller.config.cert-manager.io/v1alpha1
+          kind: ControllerConfiguration
+          enableGatewayAPI: true
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: cert-manager
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true