diff --git a/Main_utils.cc b/Main_utils.cc
index 882d754..4096255 100644
--- a/Main_utils.cc
+++ b/Main_utils.cc
@@ -35,6 +35,7 @@ Read a DIMACS file and apply the SAT-solver to it.
 #include "MsSolver.h"
 #include "PbParser.h"
 #include "FEnv.h"
+#include "Main_utils.h"
 
 #ifdef MAXPRE
 #include "preprocessorinterface.hpp"
@@ -388,7 +389,7 @@ PbSolver::solve_Command convert(Command cmd) {
 
 static cchar* doc =
     "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
-    "UWrMaxSat 1.5 -- University of Wrocław MaxSAT solver by Marek Piotrów (2019-2024)\n" 
+    "UWrMaxSat %s -- University of Wrocław MaxSAT solver by Marek Piotrów (2019-2024)\n" 
     "and PB solver by Marek Piotrów and Michał Karpiński (2018) -- an extension of\n"
     "MiniSat+ 1.1, based on MiniSat 2.2.0  -- (C) Niklas Een, Niklas Sorensson (2012)\n"
     "with COMiniSatPS by Chanseok Oh (2016) as the SAT solver\n"
@@ -494,7 +495,7 @@ static void parseOptions(int argc, char** argv, bool check_files)
         char*   arg = argv[i];
         if (arg[0] == '-'){
             if (oneof(arg,"h,help")) 
-                fprintf(stderr, doc, opt_bdd_thres, opt_sort_thres, opt_goal_bias, opt_base_max, 
+                fprintf(stderr, doc, UWR_VERSION, opt_bdd_thres, opt_sort_thres, opt_goal_bias, opt_base_max, 
                         opt_base_max, opt_unsat_conflicts
 #ifdef MAXPRE
                         , opt_maxpre_str
@@ -596,7 +597,7 @@ static void parseOptions(int argc, char** argv, bool check_files)
     }
 
     if (args.size() == 0 && check_files)
-        fprintf(stderr, doc, opt_bdd_thres, opt_sort_thres, opt_goal_bias, opt_base_max, 
+        fprintf(stderr, doc, UWR_VERSION, opt_bdd_thres, opt_sort_thres, opt_goal_bias, opt_base_max, 
                         opt_base_max, opt_unsat_conflicts
 #ifdef MAXPRE
                         , opt_maxpre_str
diff --git a/Main_utils.h b/Main_utils.h
index 2841a93..f1ae1f0 100644
--- a/Main_utils.h
+++ b/Main_utils.h
@@ -21,6 +21,10 @@ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWA
 #ifndef MAIN_UTILS_H
 #define MAIN_UTILS_H
 
+#ifndef UWR_VERSION
+#define UWR_VERSION "1.6.0"
+#endif
+
 extern bool   opt_model_out;
 extern bool   opt_bin_model_out;
 extern bool   opt_satisfiable_out;
@@ -32,7 +36,7 @@ extern bool   opt_use_maxpre;
 extern int    exit_code;
 
 #ifdef MAXPRE
-extern char  *opt_maxpre_str;
+extern char   opt_maxpre_str[];
 extern int    opt_maxpre_time;
 extern int    opt_maxpre_skip;
 #endif
diff --git a/ipamir.cc b/ipamir.cc
index 99fd32b..384435d 100644
--- a/ipamir.cc
+++ b/ipamir.cc
@@ -21,11 +21,6 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 IN THE SOFTWARE.
 ***********************************************/
 
-/**
- * Return the name and the version of the incremental SAT
- * solving library.
- */
-
 #include "MsSolver.h"
 #include "FEnv.h"
 #include "Main_utils.h"
@@ -72,7 +67,7 @@ extern "C" {
  */
 IPAMIR_API const char * ipamir_signature ()
 {
-    static char tmp[200] = "UWrMaxSat";
+    static char tmp[200] = "UWrMaxSat" UWR_VERSION;
     return tmp;
 }