diff --git a/run/main.c b/run/main.c
index 793fffa..c2dc00c 100644
--- a/run/main.c
+++ b/run/main.c
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       main.c
  Description:  main stub for a command line executable version of EPANET
  Authors:      see AUTHORS
diff --git a/src/hash.c b/src/hash.c
index 411c8ed..6115048 100755
--- a/src/hash.c
+++ b/src/hash.c
@@ -1,7 +1,7 @@
  /*
   ******************************************************************************
   Project:      OWA EPANET
-  Version:      2.2
+  Version:      2.3
   Module:       hash.c
   Description:  implementation of a simple hash table
   Authors:      see AUTHORS
diff --git a/src/hash.h b/src/hash.h
index feec4d0..d9217d9 100755
--- a/src/hash.h
+++ b/src/hash.h
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       hash.h
  Description:  header for a simple hash table
  Authors:      see AUTHORS
diff --git a/src/hydcoeffs.c b/src/hydcoeffs.c
index 670ff1b..9bf45dc 100644
--- a/src/hydcoeffs.c
+++ b/src/hydcoeffs.c
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       hydcoeffs.c
  Description:  computes coefficients for a hydraulic solution matrix
  Authors:      see AUTHORS
diff --git a/src/hydsolver.c b/src/hydsolver.c
index a702361..4337898 100644
--- a/src/hydsolver.c
+++ b/src/hydsolver.c
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       hydsolver.c
  Description:  computes flows and pressures throughout a pipe network using
                Todini's Global Gradient Algorithm
diff --git a/src/hydstatus.c b/src/hydstatus.c
index 6367dc0..c611d23 100644
--- a/src/hydstatus.c
+++ b/src/hydstatus.c
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 Project:      OWA EPANET
-Version:      2.2
+Version:      2.3
 Module:       hydstatus.c
 Description:  updates hydraulic status of network elements
 Authors:      see AUTHORS
diff --git a/src/mempool.c b/src/mempool.c
index f95ac29..ab4cff0 100755
--- a/src/mempool.c
+++ b/src/mempool.c
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       mempool.c
  Description:  a simple fast poooled memory allocation package
  Authors:      see AUTHORS
diff --git a/src/mempool.h b/src/mempool.h
index 35a0210..487ea31 100755
--- a/src/mempool.h
+++ b/src/mempool.h
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       mempool.h
  Description:  header for a simple pooled memory allocator
  Authors:      see AUTHORS
diff --git a/src/output.c b/src/output.c
index 51685e2..33ead70 100644
--- a/src/output.c
+++ b/src/output.c
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 Project:      OWA EPANET
-Version:      2.2
+Version:      2.3
 Module:       output.c
 Description:  binary file read/write routines
 Authors:      see AUTHORS
diff --git a/src/qualreact.c b/src/qualreact.c
index b8067a4..cbc5d2a 100644
--- a/src/qualreact.c
+++ b/src/qualreact.c
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 Project:      OWA EPANET
-Version:      2.2
+Version:      2.3
 Module:       qualreact.c
 Description:  computes water quality reactions within pipes and tanks
 Authors:      see AUTHORS
diff --git a/src/smatrix.c b/src/smatrix.c
index 95434f3..e4bb02b 100755
--- a/src/smatrix.c
+++ b/src/smatrix.c
@@ -1,7 +1,7 @@
 /*
  ******************************************************************************
  Project:      OWA EPANET
- Version:      2.2
+ Version:      2.3
  Module:       smatrix.c
  Description:  solves a sparse set of linear equations
  Authors:      see AUTHORS