diff --git a/CHANGELOG.rst b/CHANGELOG.rst
new file mode 100644
index 0000000..59a5aa0
--- /dev/null
+++ b/CHANGELOG.rst
@@ -0,0 +1,25 @@
+**********
+Change Log
+**********
+
+Notable project changes in various releases.
+
+
+1.0
+===
+
+Added
+-----
+
+* Various improvements in the CMake-build system.
+
+* CMake and PKG-Config export files when MpiFx is installed.
+
+
+Changed
+-------
+
+* The Fypp-preprocessor is not shipped with MpiFx but is an external
+  requirement.
+  
+* Name convention for processes (master -> lead).
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86be1ec..a9581ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ include(MpiFxUtils)
 
 include(${CMAKE_CURRENT_SOURCE_DIR}/config.cmake)
 
-project(MpiFx VERSION 0.1 LANGUAGES Fortran)
+project(MpiFx VERSION 1.0 LANGUAGES Fortran)
 
 setup_build_type()
 
diff --git a/doc/doxygen/Doxyfile b/doc/doxygen/Doxyfile
index 0d08f06..cf3eac9 100644
--- a/doc/doxygen/Doxyfile
+++ b/doc/doxygen/Doxyfile
@@ -26,13 +26,13 @@ DOXYFILE_ENCODING      = UTF-8
 # identify the project. Note that if you do not use Doxywizard you need
 # to put quotes around the project name if it contains spaces.
 
-PROJECT_NAME           = "MPIFX"
+PROJECT_NAME           = "MpiFx"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = ""
+PROJECT_NUMBER = "1.0"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer
diff --git a/doc/sphinx/conf.py b/doc/sphinx/conf.py
index cb0fdd9..e73f6ff 100644
--- a/doc/sphinx/conf.py
+++ b/doc/sphinx/conf.py
@@ -38,17 +38,17 @@
 
 # General information about the project.
 project = u'MPIFX'
-copyright = u'2013, B. Aradi'
+copyright = u'2013-2020, DFTB+ developers group'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = '12.12'
+version = '1.0'
 
 # The full version, including alpha/beta/rc tags.
-release = '12.12'
+release = '1.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/utils/srcmanip/set_version b/utils/srcmanip/set_version
new file mode 100755
index 0000000..b2888d2
--- /dev/null
+++ b/utils/srcmanip/set_version
@@ -0,0 +1,105 @@
+#!/usr/bin/env python3
+
+'''Tool for setting the version numbers in the project'''
+
+import sys
+import re
+import os
+import argparse
+
+_DESCRIPTION = '''Set all version numbers in the project to a given value.
+The list of files, where the project number is changed, is hardcoded in the
+script.'''
+
+_VERSION_PATTERN = r'\d+\.\d+(?:\.\d+)?(?:-\w+)?'
+
+_FILES_AND_PATTERNS = [
+    #
+    ('CMakeLists.txt',
+     r'project\(\s*MpiFx\s+VERSION\s+{}(\s+|\))'.format(_VERSION_PATTERN),
+     r'project(MpiFx VERSION {version}\1'),
+    #
+    ('doc/doxygen/Doxyfile',
+     r'^PROJECT_NUMBER\s*=\s*([\'"]){}\1\s*$'.format(_VERSION_PATTERN),
+     'PROJECT_NUMBER = "{version}"\n'),
+    #
+    ('doc/sphinx/conf.py',
+     r'version\s*=\s*([\'"]){}\1'.format(_VERSION_PATTERN),
+     "version = '{shortversion}'"),
+    #
+    ('doc/sphinx/conf.py',
+     r'release\s*=\s*([\'"]){}\1'.format(_VERSION_PATTERN),
+     "release = '{version}'"),
+]
+
+
+def main():
+    'Main script executable.'
+
+    args = _parse_arguments()
+    version = args.version
+    shortversion = _get_short_version(version)
+    rootdir = os.path.join(os.path.dirname(sys.argv[0]), '../../')
+
+    _replace_in_registered_files(rootdir, version, shortversion)
+    _replace_in_changelog(rootdir, version)
+
+
+def _parse_arguments():
+    '''Returns parsed command line arguments.'''
+
+    parser = argparse.ArgumentParser(description=_DESCRIPTION)
+    msg = 'Version to set'
+    parser.add_argument('version', help=msg)
+    args = parser.parse_args()
+
+    match = re.match(r'^{}$'.format(_VERSION_PATTERN), args.version)
+    if match is None:
+        parser.error("Invalid version string")
+
+    return args
+
+
+def _get_short_version(version):
+    '''Returns the short version (without patch number).'''
+
+    return '.'.join(version.split('.')[0:2])
+
+
+def _replace_in_registered_files(rootdir, version, shortversion):
+    '''Replaces the version number in various (registered) files.'''
+
+    for fname, regexp, repl in _FILES_AND_PATTERNS:
+        fname = os.path.join(rootdir, fname)
+        print("Replacments in '{}': ".format(fname), end='')
+        fp = open(fname, 'r')
+        txt = fp.read()
+        fp.close()
+        replacement = repl.format(version=version, shortversion=shortversion)
+        newtxt, nsub = re.subn(regexp, replacement, txt, flags=re.MULTILINE)
+        print(nsub)
+        fp = open(fname, 'w')
+        fp.write(newtxt)
+        fp.close()
+
+
+def _replace_in_changelog(rootdir, version):
+    '''Replace version number in Change Log and adapt decoration below.'''
+
+    fname = os.path.join(rootdir, 'CHANGELOG.rst')
+    print("Replacments in '{}': ".format(fname), end='')
+    fp = open(fname, 'r')
+    txt = fp.read()
+    fp.close()
+    decoration = '=' * len(version)
+    newtxt, nsub = re.subn(
+        r'^Unreleased\s*\n=+', version + '\n' + decoration, txt,
+        count=1, flags=re.MULTILINE)
+    print(nsub)
+    fp = open(fname, 'w')
+    fp.write(newtxt)
+    fp.close()
+
+
+if __name__ == '__main__':
+    main()