diff --git a/pyproject.toml b/pyproject.toml
index b63f48a3..12c66f6d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
     "deepeval>=3.7",
     "sse-starlette>=2.2",
     "tenacity>=9.0",
-    "structlog>=24.4",
+    "structlog>=25.5.0",
     "lightgbm>=4.6.0",
     "joblib>=1.4",
     "scikit-learn>=1.5",