diff --git a/tools/updater.hpp b/tools/updater.hpp
index c17025e..0f32363 100644
--- a/tools/updater.hpp
+++ b/tools/updater.hpp
@@ -1,14 +1,17 @@
 #pragma once
 
+#include "blob_interface.hpp"
+
 #include <string>
 
 /**
  * Attempt to update the BMC's firmware using the interface provided.
  *
+ * @param[in] blob - pointer to blob interface implementation object.
  * @param[in] interface - the interface to use.
  * @param[in] imagePath - the path to the image file.
  * @param[in] signaturePath - the path to the signature file.
  * @return non-zero on failure.
  */
-int updaterMain(const std::string& interface, const std::string& imagePath,
-                const std::string& signaturePath);
+int updaterMain(BlobInterface* blob, const std::string& interface,
+                const std::string& imagePath, const std::string& signaturePath);