diff --git a/topic/machine-learning/llm-langchain/requirements.txt b/topic/machine-learning/llm-langchain/requirements.txt
index c93a279d..b3d736f1 100644
--- a/topic/machine-learning/llm-langchain/requirements.txt
+++ b/topic/machine-learning/llm-langchain/requirements.txt
@@ -1,7 +1,7 @@
 # Real.
 crash
 google-cloud-aiplatform<2
-langchain-google-vertexai<2
+langchain-google-vertexai<3
 langchain-openai<0.2
 langchain-text-splitters<0.4
 pueblo[cli,nlp]==0.0.9