diff --git a/CMakeLists.txt b/CMakeLists.txt
index 690dd280..610eeef1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # - musrfit
 cmake_minimum_required(VERSION 3.17)
 
-project(musrfit VERSION 1.9.1 LANGUAGES C CXX)
+project(musrfit VERSION 1.9.2 LANGUAGES C CXX)
 
 #--- musrfit specific options -------------------------------------------------
 option(nexus "build optional NeXus support. Needed for ISIS" OFF)
diff --git a/ChangeLog b/ChangeLog
index 8af8b86b..2b59c1fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,11 @@ or
 
 https://bitbucket.org/muonspin/musrfit/commits/all
 
+Release of V1.9.2, 2023/10/25
+=============================
+
+switch over to smart pointers wherever possible.
+
 Release of V1.9.1, 2023/05/16
 =============================
 
diff --git a/src/classes/CMakeLists.txt b/src/classes/CMakeLists.txt
index 78e7aeed..a65935df 100644
--- a/src/classes/CMakeLists.txt
+++ b/src/classes/CMakeLists.txt
@@ -73,7 +73,7 @@ set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(exec_prefix "\$\{prefix\}")
 set(libdir "\$\{exec_prefix\}/lib")
 set(includedir "\$\{prefix\}/include")   
-set(MUSR_VERSION "1.3.0")
+set(MUSR_VERSION "1.4.0")
 set(MUSR_LIBRARY_NAME "PMusr")
 configure_file("PMusr.pc.in" "PMusr.pc" @ONLY)
 set(USERFCN_LIBRARY_NAME "PUserFcnBase")
diff --git a/src/musredit_qt5/mupp/CMakeLists.txt b/src/musredit_qt5/mupp/CMakeLists.txt
index 27a556ae..5611e112 100644
--- a/src/musredit_qt5/mupp/CMakeLists.txt
+++ b/src/musredit_qt5/mupp/CMakeLists.txt
@@ -8,7 +8,7 @@ set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 
 #--- define mupp version ------------------------------------------------------
-set(mupp_VERSION 1.0.0)
+set(mupp_VERSION 1.1.0)
 
 #--- mupp_version.h generation - START ----------------------------------------
 configure_file(
diff --git a/src/musredit_qt6/mupp/CMakeLists.txt b/src/musredit_qt6/mupp/CMakeLists.txt
index 6771a429..c19a7d05 100644
--- a/src/musredit_qt6/mupp/CMakeLists.txt
+++ b/src/musredit_qt6/mupp/CMakeLists.txt
@@ -8,7 +8,7 @@ set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 
 #--- define mupp version ------------------------------------------------------
-set(mupp_VERSION 1.0.0)
+set(mupp_VERSION 1.1.0)
 
 #--- mupp_version.h generation - START ----------------------------------------
 configure_file(