diff --git a/hardware_android.h b/hardware_android.h
index 120ccab..4d354ac 100644
--- a/hardware_android.h
+++ b/hardware_android.h
@@ -43,6 +43,7 @@
   std::string GetFirmwareVersion() const override;
   std::string GetECVersion() const override;
   int GetMinKernelKeyVersion() const override;
+  int GetMinFirmwareKeyVersion() const override;
   bool SetMaxKernelKeyRollforward(int max_kernel_rollforward) override;
   int GetPowerwashCount() const override;
   bool SchedulePowerwash() override;