diff --git a/src/ADCSensor.cpp b/src/ADCSensor.cpp
index 2fc35e0..3f9089f 100644
--- a/src/ADCSensor.cpp
+++ b/src/ADCSensor.cpp
@@ -42,7 +42,7 @@
 ADCSensor::ADCSensor(const std::string& path,
                      sdbusplus::asio::object_server& objectServer,
                      std::shared_ptr<sdbusplus::asio::connection>& conn,
-                     boost::asio::io_service& io, const std::string& sensorName,
+                     boost::asio::io_context& io, const std::string& sensorName,
                      std::vector<thresholds::Threshold>&& thresholdsIn,
                      const double scaleFactor, const float pollRate,
                      PowerState readState,