diff --git a/utility.h b/utility.h
index 96cd3cf..b068d1a 100644
--- a/utility.h
+++ b/utility.h
@@ -5,5 +5,6 @@
 char * getGmTimeStamp(void);
 char * nth_named_component(const char *name_prefix, int n);
 long int get_current_time_sec(void);
+long int get_current_time_microsec(void);
 
 #endif