diff --git a/code/espurna/config/version.h b/code/espurna/config/version.h
index 2f92f6f7..41b3daf3 100644
--- a/code/espurna/config/version.h
+++ b/code/espurna/config/version.h
@@ -1,5 +1,5 @@
 #define APP_NAME                "ESPURNA"
-#define APP_VERSION             "1.13.1a"
+#define APP_VERSION             "1.13.1z"
 #define APP_REVISION            "d543fee"
 #define APP_AUTHOR              "xose.perez@gmail.com"
 #define APP_WEBSITE             "http://tinkerman.cat"