diff --git a/infra/base/opencost.yaml b/infra/base/opencost.yaml
new file mode 100644
index 0000000..6984f3b
--- /dev/null
+++ b/infra/base/opencost.yaml
@@ -0,0 +1,42 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: opencost
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "1"
+  labels:
+    app.kubernetes.io/name: opencost
+    app.kubernetes.io/part-of: monitoring
+    app.kubernetes.io/managed-by: argocd
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+
+  sources:
+  - repoURL: https://opencost.github.io/opencost-helm-chart
+    chart: opencost
+    targetRevision: "1.42.0"
+    helm:
+      releaseName: opencost
+      valueFiles:
+      - $values/infra/values/base/opencost-values.yaml
+
+  - repoURL: git@github.com:fortedigital/sturdy-adventure.git
+    targetRevision: HEAD
+    ref: values
+
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: monitoring
+
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+      allowEmpty: false
+    syncOptions:
+    - CreateNamespace=true
+    - Validate=true
+    - ServerSideApply=true