diff --git a/examples/panel/chat-with-pdf/requirements.txt b/examples/panel/chat-with-pdf/requirements.txt
index a6986be5..c8d915f3 100644
--- a/examples/panel/chat-with-pdf/requirements.txt
+++ b/examples/panel/chat-with-pdf/requirements.txt
@@ -1,6 +1,7 @@
-panel
-openai
-chromadb
-pypdf
-langchain
-tiktoken
\ No newline at end of file
+tiktoken==0.7.0
+langchain==0.1.11
+langchain-community==0.0.25
+pypdf==5.0.1
+chromadb==0.5.11
+openai==1.51.0
+panel==1.5.1