diff --git a/functions.hpp b/functions.hpp
index f7511aa..b364393 100644
--- a/functions.hpp
+++ b/functions.hpp
@@ -45,5 +45,9 @@
 std::shared_ptr<void> processHostFirmware(
     sdbusplus::bus::bus&, std::map<std::string, std::vector<std::string>>,
     std::filesystem::path, ErrorCallbackType, sdeventplus::Event&);
+std::shared_ptr<void>
+    updateBiosAttrTable(sdbusplus::bus::bus&,
+                        std::map<std::string, std::vector<std::string>>,
+                        sdeventplus::Event&);
 } // namespace process_hostfirmware
 } // namespace functions