diff --git a/host_state_manager.hpp b/host_state_manager.hpp
index 6bf4f94..5314a56 100644
--- a/host_state_manager.hpp
+++ b/host_state_manager.hpp
@@ -95,6 +95,9 @@
     /** @brief Set Value for boot progress */
     ProgressStages bootProgress(ProgressStages value) override;
 
+    /** @brief Updated whenever BootProgress is updated */
+    uint64_t bootProgressLastUpdate(uint64_t value) override;
+
     /** @brief Set Value for Operating System Status */
     OSStatus operatingSystemState(OSStatus value) override;