diff --git a/configure.ac b/configure.ac
index 3c904a6..fe07f79 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@ AC_PREREQ([2.68])
 
 
 # Initialize package
-AC_INIT([fmt], [3.0.6], [fmt@guillermo.in], [fmt], [https://github.com/guillermocalvo/fmt/])
+AC_INIT([fmt], [1.3], [fmt@guillermo.in], [fmt], [https://github.com/guillermocalvo/fmt/])
 
 
 # Information on the package
diff --git a/package.json b/package.json
index 3d32fbc..3ee6ff9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name":           "fmt",
-  "version":        "1.2",
+  "version":        "1.3",
   "description":    "A tiny C string formatting library",
   "repo":           "guillermocalvo/fmt",
   "license":        "LGPL",
diff --git a/src/fmt.c b/src/fmt.c
index 75d28ec..61d48a4 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -4,7 +4,7 @@
  *
  * fmt source code file
  *
- * @version     1.2
+ * @version     1.3
  * @author      Copyright (c) 2017 Guillermo Calvo
  *
  */
diff --git a/src/fmt.h b/src/fmt.h
index 9040139..9aad813 100644
--- a/src/fmt.h
+++ b/src/fmt.h
@@ -4,7 +4,7 @@
  *
  * fmt header file
  *
- * @version     1.2
+ * @version     1.3
  * @author      Copyright (c) 2017 Guillermo Calvo
  *
  */