diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2b9dc7..e1a68be 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.12)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-project(mathic VERSION 1.2 LANGUAGES CXX)
+project(mathic VERSION 1.3 LANGUAGES CXX)
 
 option(enable_pqsim "Build pqsim" OFF)
 option(enable_divsim "Build divsim" OFF)
diff --git a/configure.ac b/configure.ac
index 9970a3d..8132113 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # Note: also update version in CMakeLists.txt
 dnl AC_INIT sets up autoconf and must be first macro.
-AC_INIT([mathic], [1.2]) # package, version, bug-report-email
+AC_INIT([mathic], [1.3]) # package, version, bug-report-email
 
 # set up information about directories
 AC_CONFIG_MACRO_DIR([build/autotools/m4]) # directory of extra autoconf macroes
@@ -68,7 +68,7 @@ LT_INIT([disable-shared])
 dnl Set the version for the library -- this concerns compatibility of the
 dnl source and binary interface of the library and is not the same as the
 dnl version of the project.
-AC_SUBST([MATHIC_SO_VERSION], [0:2:0])
+AC_SUBST([MATHIC_SO_VERSION], [0:3:0])
 
 dnl ----- The gtest dependency
 
diff --git a/src/mathic.cpp b/src/mathic.cpp
index c5a0018..39bab43 100644
--- a/src/mathic.cpp
+++ b/src/mathic.cpp
@@ -2,5 +2,5 @@
 
 extern "C" {
   void libmathicIsPresent(void) {}
-  char MATHIC_VERSION_STRING[] = "1.2";
+  char MATHIC_VERSION_STRING[] = "1.3";
 }