diff --git a/pyproject.toml b/pyproject.toml
index 9fe7adb..30a360e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "pika (>=1.3.0,<1.4.0)",
-    "python_json_logger (>=3.3.0,<3.4.0)",
+    "python_json_logger (>=4.1.0,<4.2.0)",
     "PyYAML (>=6.0,<6.1)",
     "pydantic (>=2.13.3,<2.14.0)",
     "pydantic-settings (>=2.14.0,<2.15.0)",