diff --git a/configure.ac b/configure.ac
index 9b08385..4f1d566 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([libisofs], [1.3.3], [http://libburnia-project.org])
+AC_INIT([libisofs], [1.3.4], [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=3
-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
-# 2013.08.07 development jump has not yet happened
-# SONAME = 74 - 68 = 6 . Library name = libisofs.6.68.0
-LT_CURRENT=74
-LT_AGE=68
+# 2013.12.12 development jump has not yet happened
+# SONAME = 76 - 70 = 6 . Library name = libisofs.6.70.0
+LT_CURRENT=76
+LT_AGE=70
 LT_REVISION=0
 LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
 
diff --git a/libisofs/libisofs.h b/libisofs/libisofs.h
index e784472..9aab0c7 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  3
-#define iso_lib_header_version_micro  3
+#define iso_lib_header_version_micro  4
 
 /**
  * Get version of the libisofs library at runtime.