diff --git a/main.py b/main.py
index 72b53f0..50ec91a 100644
--- a/main.py
+++ b/main.py
@@ -37,7 +37,7 @@
     ),
 ]
 
-llm = OpenAI(model="gpt-3.5-turbo-0613")
+llm = OpenAI(model="gpt-3.5-turbo-1106")
 agent = ReActAgent.from_tools(tools, llm=llm, verbose=True, context=context)
 
 while (prompt := input("Enter a prompt (q to quit): ")) != "q":
diff --git a/pdf.py b/pdf.py
index 1540103..12659f7 100644
--- a/pdf.py
+++ b/pdf.py
@@ -1,7 +1,9 @@
 import os
+from dotenv import load_dotenv
 from llama_index import StorageContext, VectorStoreIndex, load_index_from_storage
 from llama_index.readers import PDFReader
 
+load_dotenv()
 
 def get_index(data, index_name):
     index = None