diff --git a/requirements.txt b/requirements.txt
index 127c1fc..91b2480 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ fastapi==0.115.6
 uvicorn[standard]==0.34.0
 httpx==0.28.1
 redis[hiredis]==5.2.1
-tiktoken==0.8.0
+tiktoken==0.12.0
 pydantic==2.10.4
 sentence-transformers==3.3.1
 psycopg2-binary==2.9.10