diff --git a/utility.h b/utility.h
index ae3b999..55863b3 100644
--- a/utility.h
+++ b/utility.h
@@ -2,6 +2,7 @@
 #define _UTILITY_H_
 
 char * getLocalTimeStamp(void);
+char * getGmTimeStamp(void);
 char * nth_named_component(const char *name_prefix, int n);
 
 #endif