diff --git a/configure.ac b/configure.ac
index 248335b..4f29374 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([libisofs], [1.2.3], [http://libburnia-project.org])
+AC_INIT([libisofs], [1.2.4], [http://libburnia-project.org])
 AC_PREREQ([2.50])
 dnl AC_CONFIG_HEADER([config.h])	
 
@@ -41,7 +41,7 @@ dnl If LIBISOFS_*_VERSION changes, be sure to change AC_INIT above to match.
 dnl
 LIBISOFS_MAJOR_VERSION=1
 LIBISOFS_MINOR_VERSION=2
-LIBISOFS_MICRO_VERSION=3
+LIBISOFS_MICRO_VERSION=4
 LIBISOFS_VERSION=$LIBISOFS_MAJOR_VERSION.$LIBISOFS_MINOR_VERSION.$LIBISOFS_MICRO_VERSION
 
 AC_SUBST(LIBISOFS_MAJOR_VERSION)
@@ -51,10 +51,10 @@ AC_SUBST(LIBISOFS_VERSION)
 
 dnl Libtool versioning
 LT_RELEASE=$LIBISOFS_MAJOR_VERSION.$LIBISOFS_MINOR_VERSION
-# 2012.04.02 development jump has not yet happened
-# SONAME = 64 - 58 = 6 . Library name = libisofs.6.58.0
-LT_CURRENT=64
-LT_AGE=58
+# 2012.07.20 development jump has not yet happened
+# SONAME = 66 - 60 = 6 . Library name = libisofs.6.60.0
+LT_CURRENT=66
+LT_AGE=60
 LT_REVISION=0
 LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
 
diff --git a/libisofs/libisofs.h b/libisofs/libisofs.h
index eba25d5..606a103 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  3
+#define iso_lib_header_version_micro  4
 
 /**
  * Get version of the libisofs library at runtime.