diff --git a/nmap-update/default_channel.h b/nmap-update/default_channel.h
index 89632f001..8bba2154f 100644
--- a/nmap-update/default_channel.h
+++ b/nmap-update/default_channel.h
@@ -1 +1 @@
-#define DEFAULT_CHANNEL "5.61TEST2"
+#define DEFAULT_CHANNEL "5.61TEST4"
diff --git a/nmap.h b/nmap.h
index 1cb8691d4..2c2ec9ae9 100644
--- a/nmap.h
+++ b/nmap.h
@@ -233,7 +233,7 @@ void *realloc();
 #endif
 /* The version number of updates retrieved by the nmap-update program. It can be
    different (but should always be earlier) than NMAP_VERSION. */
-#define NMAP_UPDATE_CHANNEL "5.61TEST2"
+#define NMAP_UPDATE_CHANNEL "5.61TEST4"
 
 /* User configurable #defines: */
 #define MAX_PROBE_PORTS 10     /* How many TCP probe ports are allowed ? */