diff --git a/examples/langchain-chroma/requirements.txt b/examples/langchain-chroma/requirements.txt
index b9e649c5a9a4..e8df32a4ab5a 100644
--- a/examples/langchain-chroma/requirements.txt
+++ b/examples/langchain-chroma/requirements.txt
@@ -1,4 +1,5 @@
 langchain==0.0.160
 openai==0.27.6
 chromadb==0.3.21
-llama-index==0.6.2
\ No newline at end of file
+llama-index==0.12.41
+transformers>=4.52.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file