diff --git a/pyproject.toml b/pyproject.toml
index a244e9c..7d79a63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
     "httpx>=0.27.0",
     "pydantic>=2.0.0",
     "pydantic-settings>=2.0.0",
-    "python-dotenv>=1.0.0",
+    "python-dotenv>=1.2.2",
     "aiofiles>=24.0.0",
     "Pillow>=10.0.0",
     "google-genai>=1.0.0",