diff --git a/pyproject.toml b/pyproject.toml
index da5c9eaa..d52891a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ dependencies = [
     "sqlalchemy>=2.0.44",
     "tenacity>=8.2.3",
     "prometheus-fastapi-instrumentator>=6.1.0",
-    "python-json-logger>=2.0.7",
+    "python-json-logger>=4.1.0",
     "agent-framework-azure-ai-search==1.0.0b251211",
     "azure-search-documents>=11.6.0",
     "azure-monitor-opentelemetry>=1.8.3",