diff --git a/requirements.txt b/requirements.txt
index 2f95c08b..94f170b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ openai==1.102.0
 
 # Lambda layer: common
 # ------------
-python-dotenv==1.1.1
+python-dotenv==1.2.1
 pydantic==2.11.9
 pydantic-settings==2.10.1
 python-hcl2==7.3.1