diff --git a/langchain/customer-support/requirements.txt b/langchain/customer-support/requirements.txt
index 21b3dab..1d6eeb7 100644
--- a/langchain/customer-support/requirements.txt
+++ b/langchain/customer-support/requirements.txt
@@ -2,4 +2,4 @@ commune-mail>=0.3.0
 langchain>=0.2.0
 langchain-openai>=0.1.0
 openai>=1.30.0
-python-dotenv>=1.0.0
+python-dotenv>=1.2.2