Update requirements.txt

requirements.txt

@@ -1,14 +1,14 @@
-langchain
-langchain-cli
-langchain-community
-langchain-core
-langchain-experimental
-langchain-fireworks
-openai
-gradio
-gradio_client
-chromadb
-langsmith
-tiktoken
-langchain-openai
-langchain-chroma
+langchain==0.2.16
+langchain-cli==0.0.30
+langchain-community==0.2.16
+langchain-core==0.2.38
+langchain-experimental==0.0.65
+langchain-fireworks==0.1.7
+openai==1.43.0
+gradio==4.42.0
+gradio-client==1.3.0
+chromadb==0.5.5
+langsmith==0.1.108
+tiktoken==0.7.0
+langchain-openai==0.1.23
+langchain-chroma==0.1.3