diff --git a/libisofs/libisofs.h b/libisofs/libisofs.h
index d3d199c..4504887 100644
--- a/libisofs/libisofs.h
+++ b/libisofs/libisofs.h
@@ -84,7 +84,7 @@
  */
 #define iso_lib_header_version_major  1
 #define iso_lib_header_version_minor  2
-#define iso_lib_header_version_micro  5
+#define iso_lib_header_version_micro  6
 
 /**
  * Get version of the libisofs library at runtime.