From 6fddcc0c57c7ae27378a0559b48ef6de0c914dc9 Mon Sep 17 00:00:00 2001
From: Sarah Wooders <sarahwooders@gmail.com>
Date: Wed, 7 Jan 2026 15:07:10 -0800
Subject: [PATCH] fix: fix agent loop (#8401)

---
 letta/helpers/crypto_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/letta/helpers/crypto_utils.py b/letta/helpers/crypto_utils.py
index a38f60b5..7d7d8660 100644
--- a/letta/helpers/crypto_utils.py
+++ b/letta/helpers/crypto_utils.py
@@ -94,7 +94,7 @@ class CryptoUtils:
 
         PBKDF2 with 100k iterations typically takes 100-500ms per operation.
         """
-        loop = asyncio.get_event_loop()
+        loop = asyncio.get_running_loop()
         return await loop.run_in_executor(_crypto_executor, cls._derive_key, master_key, salt)
 
     @classmethod