diff --git a/minimal_heap.h b/minimal_heap.h
index 0b0c0c1..7e56b99 100644
--- a/minimal_heap.h
+++ b/minimal_heap.h
@@ -2,7 +2,7 @@
 #define __MINIMAL_HEAP_H__
 
 #define MIHP_VERSION_MAJOR 1
-#define MIHP_VERSION_MINOR 12
+#define MIHP_VERSION_MINOR 13
 
 #include <stddef.h>
 #include <stdint.h>