diff --git a/inc/post_code.hpp b/inc/post_code.hpp
index 3e82ab5..462e8cd 100644
--- a/inc/post_code.hpp
+++ b/inc/post_code.hpp
@@ -90,7 +90,7 @@
     PostCodeDataHolder postcodeDataHolderObj =
         PostCodeDataHolder::getInstance();
 
-    PostCode(sdbusplus::bus::bus &bus, const char *path, EventPtr & /*event*/) :
+    PostCode(sdbusplus::bus_t &bus, const char *path, EventPtr & /*event*/) :
         sdbusplus::server::object_t<post_code, delete_all>(bus, path), bus(bus),
         propertiesChangedSignalRaw(
             bus,
@@ -101,7 +101,7 @@
                     std::to_string(postcodeDataHolderObj.node)) +
                 sdbusplus::bus::match::rules::interface(
                     postcodeDataHolderObj.PropertiesIntf),
-            [this](sdbusplus::message::message &msg) {
+            [this](sdbusplus::message_t &msg) {
                 std::string objectName;
                 std::map<std::string, std::variant<postcode_t>> msgData;
                 msg.read(objectName, msgData);
@@ -124,7 +124,7 @@
                     std::to_string(postcodeDataHolderObj.node)) +
                 sdbusplus::bus::match::rules::interface(
                     postcodeDataHolderObj.PropertiesIntf),
-            [this](sdbusplus::message::message &msg) {
+            [this](sdbusplus::message_t &msg) {
                 std::string objectName;
                 std::map<std::string, std::variant<std::string>> msgData;
                 msg.read(objectName, msgData);
@@ -189,7 +189,7 @@
     void incrBootCycle();
     uint16_t getBootNum(const uint16_t index) const;
 
-    sdbusplus::bus::bus &bus;
+    sdbusplus::bus_t &bus;
     std::chrono::time_point<std::chrono::steady_clock> firstPostCodeTimeSteady;
     uint64_t firstPostCodeUsSinceEpoch;
     std::map<uint64_t, postcode_t> postCodes;