diff --git a/requester/handler.hpp b/requester/handler.hpp
index 02c5d02..5fc5f7b 100644
--- a/requester/handler.hpp
+++ b/requester/handler.hpp
@@ -197,7 +197,7 @@
             pldmTransport, requestMsg->key.eid, event,
             std::move(requestMsg->reqMsg), numRetries, responseTimeOut,
             verbose);
-        auto timer = std::make_unique<phosphor::Timer>(
+        auto timer = std::make_unique<sdbusplus::Timer>(
             event.get(), std::bind(&Handler::instanceIdExpiryCallBack, this,
                                    requestMsg->key));
 
@@ -335,7 +335,7 @@
      */
     using RequestValue =
         std::tuple<std::unique_ptr<RequestInterface>, ResponseHandler,
-                   std::unique_ptr<phosphor::Timer>>;
+                   std::unique_ptr<sdbusplus::Timer>>;
 
     // Manage the requests of responders base on MCTP EID
     std::map<mctp_eid_t, std::shared_ptr<EndpointMessageQueue>>
diff --git a/requester/request.hpp b/requester/request.hpp
index 27d94fc..cb4e026 100644
--- a/requester/request.hpp
+++ b/requester/request.hpp
@@ -98,8 +98,8 @@
     sdeventplus::Event& event; //!< reference to PLDM daemon's main event loop
     uint8_t numRetries;        //!< number of request retries
     std::chrono::milliseconds
-        timeout;           //!< time to wait between each retry in milliseconds
-    phosphor::Timer timer; //!< manages starting timers and handling timeouts
+        timeout;            //!< time to wait between each retry in milliseconds
+    sdbusplus::Timer timer; //!< manages starting timers and handling timeouts
 
     /** @brief Sends the PLDM request message
      *
diff --git a/requester/test/request_test.cpp b/requester/test/request_test.cpp
index 51b337d..25d2c32 100644
--- a/requester/test/request_test.cpp
+++ b/requester/test/request_test.cpp
@@ -88,7 +88,7 @@
     EXPECT_EQ(rc, PLDM_SUCCESS);
 
     auto requestStopCallback = [&](void) { request.stop(); };
-    phosphor::Timer timer(event.get(), requestStopCallback);
+    sdbusplus::Timer timer(event.get(), requestStopCallback);
     timer.start(duration_cast<microseconds>(seconds(1)));
 
     waitEventExpiry(milliseconds(500));