diff --git a/examples/ota-requestor-app/esp32/main/OTARequesterImpl.cpp b/examples/ota-requestor-app/esp32/main/OTARequesterImpl.cpp
index f357a5792c32a2..32c14e804f2bfb 100644
--- a/examples/ota-requestor-app/esp32/main/OTARequesterImpl.cpp
+++ b/examples/ota-requestor-app/esp32/main/OTARequesterImpl.cpp
@@ -32,7 +32,7 @@
 
 using chip::ByteSpan;
 using chip::CharSpan;
-using chip::DeviceProxy;
+using chip::OperationalDeviceProxy;
 using chip::EndpointId;
 using chip::FabricIndex;
 using chip::NodeId;
@@ -56,7 +56,7 @@ void OnQueryImageFailure(void * context, EmberAfStatus status);
 void OnApplyUpdateResponse(void * context, const ApplyUpdateResponse::DecodableType & response);
 void OnApplyUpdateRequestFailure(void * context, EmberAfStatus status);
 
-void OnConnected(void * context, chip::DeviceProxy * deviceProxy);
+void OnConnected(void * context, chip::OperationalDeviceProxy * deviceProxy);
 void OnConnectionFailure(void * context, NodeId deviceId, CHIP_ERROR error);
 
 void OnBlockReceived(void * context, const chip::bdx::TransferSession::BlockData & blockdata);
@@ -175,7 +175,7 @@ void OnApplyUpdateRequestFailure(void * context, EmberAfStatus status)
     ChipLogDetail(SoftwareUpdate, "ApplyUpdateRequest failure response %" PRIu8, status);
 }
 
-void OnConnected(void * context, chip::DeviceProxy * deviceProxy)
+void OnConnected(void * context, chip::OperationalDeviceProxy * deviceProxy)
 {
     ChipLogDetail(SoftwareUpdate, "Callback OnConnected");
     uint8_t * command = reinterpret_cast<uint8_t *>(context);
diff --git a/examples/ota-requestor-app/esp32/main/main.cpp b/examples/ota-requestor-app/esp32/main/main.cpp
index 3acbe4f8d0d94e..71f5e3b491b95b 100644
--- a/examples/ota-requestor-app/esp32/main/main.cpp
+++ b/examples/ota-requestor-app/esp32/main/main.cpp
@@ -17,6 +17,8 @@
 
 #include "CHIPDeviceManager.h"
 #include "DeviceCallbacks.h"
+#include "app/util/af-enums.h"
+#include "app/util/af.h"
 #include "esp_heap_caps_init.h"
 #include "esp_log.h"
 #include "esp_netif.h"
@@ -180,3 +182,14 @@ extern "C" void app_main()
 
     ESPInitConsole();
 }
+
+// TODO: We should use the function definition in /src/app/clusters/ota-requestor/ClusterInterface.cpp
+// Temporarily add this function.
+
+bool emberAfOtaSoftwareUpdateRequestorClusterAnnounceOtaProviderCallback(
+    chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
+    const chip::app::Clusters::OtaSoftwareUpdateRequestor::Commands::AnnounceOtaProvider::DecodableType & commandData)
+{
+    emberAfSendImmediateDefaultResponse(EMBER_ZCL_STATUS_SUCCESS);
+    return true;
+}