diff --git a/lite_bootstrap/instruments/logging_instrument.py b/lite_bootstrap/instruments/logging_instrument.py
index e73924f..7f84321 100644
--- a/lite_bootstrap/instruments/logging_instrument.py
+++ b/lite_bootstrap/instruments/logging_instrument.py
@@ -13,6 +13,7 @@
 
 
 if import_checker.is_structlog_installed:
+    import orjson
     import structlog
 
 
@@ -80,6 +81,9 @@ def __call__(self, *args: typing.Any) -> logging.Logger:  # noqa: ANN401
             logger.propagate = False
             return logger
 
+    def _serialize_log_with_orjson_to_string(value: typing.Any, **kwargs: typing.Any) -> str:  # noqa: ANN401
+        return orjson.dumps(value, **kwargs).decode()
+
 
 @dataclasses.dataclass(kw_only=True, frozen=True)
 class LoggingConfig(BaseConfig):
@@ -128,7 +132,7 @@ def _configure_structlog_loggers(self) -> None:
                 structlog.stdlib.filter_by_level,
                 *self.structlog_pre_chain_processors,
                 *self.bootstrap_config.logging_extra_processors,
-                structlog.processors.JSONRenderer(),
+                structlog.processors.JSONRenderer(serializer=_serialize_log_with_orjson_to_string),
             ],
             context_class=dict,
             logger_factory=MemoryLoggerFactory(
diff --git a/pyproject.toml b/pyproject.toml
index 1461899..acea905 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,6 +45,7 @@ otl = [
 ]
 logging = [
     "structlog",
+    "orjson",
 ]
 free-all = [
     "lite-bootstrap[sentry,otl,logging]",