diff --git a/src/MCUTempSensor.hpp b/src/MCUTempSensor.hpp
index c4c2406..639e24e 100644
--- a/src/MCUTempSensor.hpp
+++ b/src/MCUTempSensor.hpp
@@ -12,7 +12,7 @@
 struct MCUTempSensor : public Sensor
 {
     MCUTempSensor(std::shared_ptr<sdbusplus::asio::connection>& conn,
-                  boost::asio::io_service& io, const std::string& name,
+                  boost::asio::io_context& io, const std::string& name,
                   const std::string& sensorConfiguration,
                   sdbusplus::asio::object_server& objectServer,
                   std::vector<thresholds::Threshold>&& thresholdData,