diff --git a/k8s/oidc-vault/k8s/ingress.yaml b/k8s/oidc-vault/k8s/ingress.yaml
deleted file mode 100644
index 1f17a9d..0000000
--- a/k8s/oidc-vault/k8s/ingress.yaml
+++ /dev/null
@@ -1,30 +0,0 @@
-apiVersion: networking.k8s.io/v1
-kind: Ingress
-metadata:
-  name: spire-ingress
-  namespace: spire
-spec:
-  tls:
-    - hosts:
-        # TODO: Replace MY_DISCOVERY_DOMAIN with the FQDN of the Discovery Provider that you will configure in DNS
-        - MY_DISCOVERY_DOMAIN
-      secretName: oidc-secret
-  rules:
-    # TODO: Replace MY_DISCOVERY_DOMAIN with the FQDN of the Discovery Provider that you will configure in DNS
-    - host: MY_DISCOVERY_DOMAIN
-      http:
-        paths:
-          - path: /.well-known/openid-configuration
-            pathType: Prefix
-            backend:
-              service:
-                name: spire-oidc
-                port:
-                  number: 443
-          - path: /keys
-            pathType: Prefix
-            backend:
-              service:
-                name: spire-oidc
-                port:
-                  number: 443
diff --git a/k8s/oidc-vault/k8s/oidc-dp-configmap.yaml b/k8s/oidc-vault/k8s/oidc-dp-configmap.yaml
index 17c590f..16c204d 100644
--- a/k8s/oidc-vault/k8s/oidc-dp-configmap.yaml
+++ b/k8s/oidc-vault/k8s/oidc-dp-configmap.yaml
@@ -7,7 +7,7 @@ data:
   oidc-discovery-provider.conf: |
     log_level = "INFO"
     # TODO: Replace MY_DISCOVERY_DOMAIN with the FQDN of the Discovery Provider that you will configure in DNS
-    domain = "MY_DISCOVERY_DOMAIN"
+    domains = ["MY_DISCOVERY_DOMAIN"]
     acme {
         directory_url = "https://acme-v02.api.letsencrypt.org/directory"
         cache_dir = "/run/spire"
diff --git a/k8s/oidc-vault/k8s/server-statefulset.yaml b/k8s/oidc-vault/k8s/server-statefulset.yaml
index d9b11ee..cd646cb 100644
--- a/k8s/oidc-vault/k8s/server-statefulset.yaml
+++ b/k8s/oidc-vault/k8s/server-statefulset.yaml
@@ -52,7 +52,7 @@ spec:
             initialDelaySeconds: 5
             periodSeconds: 5
         - name: spire-oidc
-          image: ghcr.io/spiffe/oidc-discovery-provider:1.5.1
+          image: ghcr.io/spiffe/oidc-discovery-provider:1.5.3
           args:
           - -config
           - /run/spire/oidc/config/oidc-discovery-provider.conf
@@ -71,7 +71,7 @@ spec:
             readOnly: false
           readinessProbe:
             httpGet:
-              path: /keys # TODO: Change this to /ready when using 1.5.2+
+              path: /ready
               port: 8008
             failureThreshold: 5
             initialDelaySeconds: 5