diff --git a/configure.ac b/configure.ac
index dd2e3e5e07cde53fafbd9ed63bea0e8361ed7a5f..533df7061d9ed67dd7f4f66985321204cc7d421c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ dnl You should have received a copy of the GNU General Public License
 dnl along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.62])
-AC_INIT([dynare], [4.3-unstable])
+AC_INIT([dynare], [4.4-unstable])
 AC_CONFIG_SRCDIR([preprocessor/DynareMain.cc])
 AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign no-dist-gzip dist-xz tar-pax])
 
diff --git a/mex/build/matlab/configure.ac b/mex/build/matlab/configure.ac
index 337d39ac0bbe011c6faf28cfe766152d4762e562..4a3f115d79d463506c0a6457f20042f1971fd699 100644
--- a/mex/build/matlab/configure.ac
+++ b/mex/build/matlab/configure.ac
@@ -18,7 +18,7 @@ dnl You should have received a copy of the GNU General Public License
 dnl along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.61])
-AC_INIT([dynare], [4.3-unstable])
+AC_INIT([dynare], [4.4-unstable])
 AC_CONFIG_SRCDIR([configure.ac])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
diff --git a/mex/build/octave/configure.ac b/mex/build/octave/configure.ac
index 6762daefbe9d760a95c15485d71c009885f13356..34855798155da65422b3d43aaead3a97fbdbeaed 100644
--- a/mex/build/octave/configure.ac
+++ b/mex/build/octave/configure.ac
@@ -18,7 +18,7 @@ dnl You should have received a copy of the GNU General Public License
 dnl along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.61])
-AC_INIT([dynare], [4.3-unstable])
+AC_INIT([dynare], [4.4-unstable])
 AC_CONFIG_SRCDIR([configure.ac])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])