diff --git a/requirements.txt b/requirements.txt
index 7e91bd6..6f0dcca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 mcp[client,server]==1.19.0
 fastapi==0.120.0
 uvicorn==0.38.0
-python-dotenv==1.1.1
+python-dotenv==1.2.1
 mando==0.8.2
 # --- dev / CI only -------------------------------------------------
 pytest>=8.0