diff --git a/ChangeLog b/ChangeLog
index 577071f..0b4eca4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-2017.093:
+2017.093: 1.13
 	- Update libmseed to 2.19.3.
 	- Remove dependency on ntwin32.mak for Windows nmake makefiles, now
 	building works in plain MSVC development environments.
diff --git a/src/gse2mseed.c b/src/gse2mseed.c
index 3dc30a9..c549050 100644
--- a/src/gse2mseed.c
+++ b/src/gse2mseed.c
@@ -18,7 +18,7 @@
 
 #include "cm6.h"
 
-#define VERSION "1.12"
+#define VERSION "1.13"
 #define PACKAGE "gse2mseed"
 
 static void packtraces (flag flush);