diff --git a/poetry.lock b/poetry.lock
index e5ce8101a..4eacb1e0a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -4106,14 +4106,14 @@ cli = ["click (>=5.0)"]
 
 [[package]]
 name = "python-json-logger"
-version = "3.3.0"
+version = "4.0.0"
 description = "JSON Log Formatter for the Python Logging Package"
 optional = false
 python-versions = ">=3.8"
 groups = ["main"]
 files = [
-    {file = "python_json_logger-3.3.0-py3-none-any.whl", hash = "sha256:dd980fae8cffb24c13caf6e158d3d61c0d6d22342f932cb6e9deedab3d35eec7"},
-    {file = "python_json_logger-3.3.0.tar.gz", hash = "sha256:12b7e74b17775e7d565129296105bbe3910842d9d0eb083fc83a6a617aa8df84"},
+    {file = "python_json_logger-4.0.0-py3-none-any.whl", hash = "sha256:af09c9daf6a813aa4cc7180395f50f2a9e5fa056034c9953aec92e381c5ba1e2"},
+    {file = "python_json_logger-4.0.0.tar.gz", hash = "sha256:f58e68eb46e1faed27e0f574a55a0455eecd7b8a5b88b85a784519ba3cff047f"},
 ]
 
 [package.extras]
@@ -5905,4 +5905,4 @@ cffi = ["cffi (>=1.17,<2.0) ; platform_python_implementation != \"PyPy\" and pyt
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13.2"
-content-hash = "20f996dd0653372e2ce104f95aa96238ece5cab32c4ef0bf2856e67fc63fc175"
+content-hash = "a1aff3f2d78a43b46a283ad246a61fb5dfac1ad8e0d401a33ff43f9b1225d40a"
diff --git a/pyproject.toml b/pyproject.toml
index 5afaf193e..8374af2f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ geojson = "^3.2.0"
 numpy = "^2.3.3"
 ordered-set = "^4.1.0"
 phonenumbers = "^9.0.15"
-python-json-logger = "^3.3.0"
+python-json-logger = "^4.0.0"
 regex = "^2025.9.18"
 shapely = "^2.1.2"
 smartypants = "^2.0.1"