diff --git a/app.py b/app.py
index 73a2677..e452d1e 100644
--- a/app.py
+++ b/app.py
@@ -1565,6 +1565,13 @@ def apply_headers(response):
         response.headers["Vary"] = "Accept-Encoding"
         return response
 
+    # --- healthcheck ---
+    if request.path == '/healthcheck':
+        response.headers['Cache-Control'] = 'no-store, no-cache'
+        response.headers.pop('ETag', None)
+        response.headers.pop('Vary', None)
+        return response
+
     # --- redirecty ---
     if response.status_code in (301, 302, 303, 307, 308):
         response.headers["Cache-Control"] = "no-store"
@@ -4102,10 +4109,15 @@ def admin_lists_access(list_id=None):
 def healthcheck():
     header_token = request.headers.get("X-Internal-Check")
     correct_token = app.config.get("HEALTHCHECK_TOKEN")
-
+    
     if header_token != correct_token:
         abort(404)
-    return "OK", 200
+        
+    response_data = {
+        "status": "OK",
+    }
+    
+    return response_data, 200
 
 
 @app.route("/admin/settings", methods=["GET", "POST"])