diff --git a/configure.ac b/configure.ac
index 5bf5275c767231b958e341641a2b6b1e5dde1b76..85c717ebe3dcf646fd5212874aa14f119eb2905a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,7 @@ dnl Basic autotools settings.
 dnl ######################################################################
 AC_PREREQ([2.64])
 dnl Update the corresponding entry in doc/Doxyfile when changing this
-AC_INIT([yaxt],[0.9.2.1],[hanke@dkrz.de],,
+AC_INIT([yaxt],[0.9.3],[hanke@dkrz.de],,
   [http://www.dkrz.de/redmine/projects/yaxt])
 AC_CONFIG_SRCDIR([src/xt_idxlist.c])
 AC_CONFIG_AUX_DIR([config])
diff --git a/src/Makefile.am b/src/Makefile.am
index 280cdcea29bf3e9035f8b4f285c630d7446fd92e..909f0f4088b22801962bf1480b49bba71dedecdf 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -194,9 +194,9 @@ libyaxt_la_SOURCES =						\
 	yaxt.f90
 
 libyaxt_la_LIBADD = libyaxt_c.la $(MPI_FC_LIB)
-libyaxt_la_LDFLAGS = -version-info 10:0:9
+libyaxt_la_LDFLAGS = -version-info 10:1:9
 libyaxt_c_la_LIBADD = $(MPI_C_LIB)
-libyaxt_c_la_LDFLAGS = -version-info 10:0:9
+libyaxt_c_la_LDFLAGS = -version-info 10:1:9
 
 if MPI_DT_WORKAROUND
 noinst_LTLIBRARIES = libmpi_workaround.la