diff --git a/config.py b/config.py
index ba84f06..58b4313 100644
--- a/config.py
+++ b/config.py
@@ -46,7 +46,7 @@ class Config:
     # ------------------------------------------------------------------ #
     # Session / cookies
     # ------------------------------------------------------------------ #
-    PERMANENT_SESSION_LIFETIME = timedelta(hours=10)  # Reduced from 30 days — payroll data sensitivity
+    PERMANENT_SESSION_LIFETIME = timedelta(days=30)  # Reduced from 30 days — payroll data sensitivity
     SESSION_COOKIE_SECURE = (
         os.environ.get('SESSION_COOKIE_SECURE', 'false').lower() == 'true'
     )