diff --git a/src/apps/apps.service.ts b/src/apps/apps.service.ts
index 8ed699c..ef5b048 100644
--- a/src/apps/apps.service.ts
+++ b/src/apps/apps.service.ts
@@ -484,10 +484,12 @@ export class AppsService {
             );
           }
 
-          logs.push(`[apply] ingress/${ingressName}`);
+          await this.deleteLegacyIngress(logs, namespace, ingressName);
+
+          logs.push(`[apply] ingressroute/${ingressName}`);
           appendOutput(
             logs,
-            await this.applyK8sManifest(createIngressManifest({
+            await this.applyK8sManifest(createTraefikIngressRouteManifest({
               namespace,
               name: ingressName,
               host: rule.host,
@@ -1113,10 +1115,12 @@ export class AppsService {
           );
         }
 
-        logs.push(`[apply] ingress/${ingressName}`);
+        await this.deleteLegacyIngress(logs, namespace, ingressName);
+
+        logs.push(`[apply] ingressroute/${ingressName}`);
         appendOutput(
           logs,
-          await this.applyK8sManifest(createIngressManifest({
+          await this.applyK8sManifest(createTraefikIngressRouteManifest({
             namespace,
             name: ingressName,
             host: rule.host,
@@ -1345,6 +1349,16 @@ export class AppsService {
     }
   }
 
+  private async deleteLegacyIngress(logs: string[], namespace: string, name: string) {
+    try {
+      const output = await this.kubectl(['delete', 'ingress', name, '-n', namespace, '--ignore-not-found=true']);
+      if (output.trim()) appendOutput(logs, output);
+    } catch (error) {
+      const message = error instanceof Error ? error.message : 'delete legacy ingress failed';
+      logs.push(`[warn] legacy ingress/${name} 정리는 건너뜀: ${message}`);
+    }
+  }
+
   private async applyDatabaseResources(input: {
     namespace: string;
     appKey: string;
@@ -2086,7 +2100,7 @@ function createServiceManifest(input: {
   };
 }
 
-function createIngressManifest(input: {
+function createTraefikIngressRouteManifest(input: {
   namespace: string;
   name: string;
   host: string;
@@ -2097,51 +2111,36 @@ function createIngressManifest(input: {
   tlsEnabled: boolean;
   tlsSecretName?: string | null;
 }) {
-  const annotations: Record<string, string> = {};
-
-  if (input.middlewareName) {
-    annotations['traefik.ingress.kubernetes.io/router.middlewares'] = `${input.namespace}-${input.middlewareName}@kubernetescrd`;
-  }
-
   const manifest: Record<string, unknown> = {
-    apiVersion: 'networking.k8s.io/v1',
-    kind: 'Ingress',
+    apiVersion: 'traefik.io/v1alpha1',
+    kind: 'IngressRoute',
     metadata: {
       name: input.name,
       namespace: input.namespace,
-      labels: getManagedLabels(input.name, 'ingress'),
-      ...(Object.keys(annotations).length > 0 ? { annotations } : {}),
+      labels: getManagedLabels(input.name, 'ingressroute'),
     },
     spec: {
-      rules: [
+      entryPoints: [input.tlsEnabled ? 'websecure' : 'web'],
+      routes: [
         {
-          host: input.host,
-          http: {
-            paths: [
-              {
-                path: input.path,
-                pathType: 'Prefix',
-                backend: {
-                  service: {
-                    name: input.serviceName,
-                    port: { number: input.servicePort },
-                  },
-                },
-              },
-            ],
-          },
+          match: `Host(\`${input.host}\`) && PathPrefix(\`${input.path}\`)`,
+          kind: 'Rule',
+          ...(input.middlewareName ? { middlewares: [{ name: input.middlewareName }] } : {}),
+          services: [
+            {
+              name: input.serviceName,
+              port: input.servicePort,
+            },
+          ],
         },
       ],
     },
   };
 
   if (input.tlsEnabled && input.tlsSecretName) {
-    (manifest.spec as Record<string, unknown>).tls = [
-      {
-        hosts: [input.host],
-        secretName: input.tlsSecretName,
-      },
-    ];
+    (manifest.spec as Record<string, unknown>).tls = {
+      secretName: input.tlsSecretName,
+    };
   }
 
   return manifest;