diff --git a/pyproject.toml b/pyproject.toml
index a53d902..299699f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,7 +89,7 @@ dependencies = [
     "pyserial >=3,<4",
     "april_vision==3.0.0",
     "typing-extensions; python_version<'3.10'",
-    "python-dotenv==1.0.1",
+    "python-dotenv==1.2.1",
 ]
 classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",