diff --git a/apps/codimd/manifests/05-codimd-app-deployment.yaml b/apps/codimd/manifests/05-codimd-app-deployment.yaml
index f2a6431..36f886e 100644
--- a/apps/codimd/manifests/05-codimd-app-deployment.yaml
+++ b/apps/codimd/manifests/05-codimd-app-deployment.yaml
@@ -38,18 +38,16 @@ spec:
               value: "true"
             - name: CMD_CSP_ENABLE
               value: "false"
-          # Health check (CodiMD has /healthz endpoint)
+          # Health check (use TCP since /healthz returns 404)
           livenessProbe:
-            httpGet:
-              path: /healthz
+            tcpSocket:
               port: 3000
             initialDelaySeconds: 30
             periodSeconds: 10
             timeoutSeconds: 5
             failureThreshold: 3
           readinessProbe:
-            httpGet:
-              path: /healthz
+            tcpSocket:
               port: 3000
             initialDelaySeconds: 5
             periodSeconds: 10