diff --git a/services/core.py b/services/core.py
index 4def285..b75dbca 100644
--- a/services/core.py
+++ b/services/core.py
@@ -1,21 +1,18 @@
-from functools import lru_cache
-from typing import Any, List
-
 import requests
 from models.member import ChatMember
 from settings import API_BASE
+from datetime import datetime, timedelta
+
+# Global variables to store cached authors data and last update time
+cached_authors = None
+last_update_time = None
+update_interval = timedelta(minutes=2)
 
 
-@lru_cache(maxsize=128, typed=True)
-def __request_endpoint(query_name, body) -> requests.Response:
+def _request_endpoint(query_name, body) -> dict:
     print(f"[services.core] requesting {query_name}...")
     response = requests.post(API_BASE, headers={"Content-Type": "application/json"}, json=body)
     print(f"[services.core] {query_name} response: <{response.status_code}> {response.text[:65]}..")
-    return response
-
-
-def _request_endpoint(query_name, body) -> Any:
-    response = __request_endpoint(query_name, body)
 
     if response.status_code == 200:
         try:
@@ -26,18 +23,21 @@ def _request_endpoint(query_name, body) -> Any:
         except ValueError as e:
             print(f"[services.core] Error decoding JSON response: {e}")
 
-    return []
+    return {}
 
 
 def get_all_authors():
+    global cached_authors, last_update_time
+
+    # Check if cached data is available and not expired
+    if cached_authors is not None and (datetime.now() - last_update_time) < update_interval:
+        print("[services.core] Returning cached authors data")
+        return cached_authors
+
     authors_by_user = {}
     authors_by_id = {}
     query_name = "get_authors_all"
 
-    # Check if authors are already cached
-    if "authors" in authors_by_user:
-        return authors_by_user["authors"]
-
     gql = {
         "query": "query { " + query_name + "{ id slug pic name user } }",
         "variables": None,
@@ -50,6 +50,10 @@ def get_all_authors():
         authors_by_user[a["user"]] = a
         authors_by_id[a["id"]] = a
 
+    # Cache the authors data and update the last update time
+    cached_authors = authors_by_user, authors_by_id
+    last_update_time = datetime.now()
+
     return authors_by_user, authors_by_id
 
 
@@ -61,4 +65,6 @@ def get_my_followed() -> List[ChatMember]:
         "variables": None,
     }
 
-    return _request_endpoint(query_name, gql) or []
+    return _request_endpoint(query_name, gql).get(
+        "authors", []
+    )  # Ensure you're returning the correct part of the response