diff --git a/api/terraform/python/layer_langchain/requirements.txt b/api/terraform/python/layer_langchain/requirements.txt
index 38dc0d51..930f904b 100644
--- a/api/terraform/python/layer_langchain/requirements.txt
+++ b/api/terraform/python/layer_langchain/requirements.txt
@@ -12,4 +12,4 @@
 # --------------------------
 langchain
 #langchain-experimental
-langchain-openai==1.6.0
+langchain-openai==1.6.6