diff --git a/include/utils/StringUtils.h b/include/utils/StringUtils.h
index 9fac0aa5..6d3afa15 100644
--- a/include/utils/StringUtils.h
+++ b/include/utils/StringUtils.h
@@ -12,6 +12,8 @@ uint8_t hexStringToUint8(const String& hex);
 
 uint16_t hexStringToUint16(const String& hex);
 
+uint32_t hexStringToUint32(const String& hex);
+
 String selectToMarkerLast(String str, const String& found);
 
 String selectToMarker(String str, const String& found);