Updated requirements.txt

requirements.txt

@@ -9,6 +9,6 @@ python-dotenv==1.0.0
 pymupdf==1.24.5
 faiss-cpu==1.8.0.post1
 openai==1.35.3
-tiktoken>=0.7,<1
-uvicorn==0.18.2
+tiktoken<1,>=0.7
+uvicorn<0.26.0,>=0.25.0
 gunicorn==20.1.0