diff --git a/requirements.txt b/requirements.txt
index 082781e..12a6a04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ langchain>=1.2.0
 langchain-anthropic>=1.4.0
 langchain-community>=0.4.0
 langchain-google-genai>=4.2.0
-langchain-openai>=1.2.0
+langchain-openai>=1.2.1
 
 # --- RAG dependencies ----------------------------------------------------
 sentence-transformers>=5.4.0