diff --git a/README.rst b/README.rst
index 91564f04..32266876 100755
--- a/README.rst
+++ b/README.rst
@@ -484,8 +484,8 @@ Illustrations
    :target: https://ci.appveyor.com/project/annoviko/pyclustering/branch/master
 .. |Coverage Status| image:: https://coveralls.io/repos/github/annoviko/pyclustering/badge.svg?branch=master&ts=1
    :target: https://coveralls.io/github/annoviko/pyclustering?branch=master
-.. |DOI| image:: https://zenodo.org/badge/DOI/10.5281/zenodo.1491324.svg
-   :target: https://doi.org/10.5281/zenodo.1491324
+.. |DOI| image:: https://zenodo.org/badge/DOI/10.5281/zenodo.4280556.svg
+   :target: https://doi.org/10.5281/zenodo.4280556
 .. |PyPi| image:: https://badge.fury.io/py/pyclustering.svg
    :target: https://badge.fury.io/py/pyclustering
 .. |Build Status Linux MacOS 0.10.dev| image:: https://travis-ci.org/annoviko/pyclustering.svg?branch=0.10.dev
diff --git a/ci/github-ci.sh b/ci/github-ci.sh
index 3549ab00..83451c3b 100755
--- a/ci/github-ci.sh
+++ b/ci/github-ci.sh
@@ -35,6 +35,7 @@ run_pypi_install_job() {
     print_info "Install 'setuptools' for pip3."
 
     sudo apt-get install -qq python3-pip
+    sudo apt-get install -qq python3-setuptools
 
     print_info "Install 'pyclustering' from PyPi."
 
diff --git a/docs/doxygen_conf_ccore b/docs/doxygen_conf_ccore
index 41bbb448..7aa4c6c2 100755
--- a/docs/doxygen_conf_ccore
+++ b/docs/doxygen_conf_ccore
@@ -180,7 +180,7 @@ TREEVIEW_WIDTH         = 250
 EXT_LINKS_IN_WINDOW    = NO
 FORMULA_FONTSIZE       = 10
 FORMULA_TRANSPARENT    = YES
-USE_MATHJAX            = NO
+USE_MATHJAX            = YES
 MATHJAX_FORMAT         = HTML-CSS
 MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
 MATHJAX_EXTENSIONS     =
diff --git a/docs/doxygen_conf_pyclustering b/docs/doxygen_conf_pyclustering
index fbd2b1a7..a2807bd7 100755
--- a/docs/doxygen_conf_pyclustering
+++ b/docs/doxygen_conf_pyclustering
@@ -4,10 +4,10 @@
 # Project related configuration options
 #---------------------------------------------------------------------------
 DOXYFILE_ENCODING      = UTF-8
-PROJECT_NAME           = ""
-PROJECT_NUMBER         =
-PROJECT_BRIEF          =
-PROJECT_LOGO           = docs/logo/pyclustering_logo_01_small.png
+PROJECT_NAME           = "pyclustering"
+PROJECT_NUMBER         = 0.10.1
+PROJECT_BRIEF          = "pyclustring is a Python, C++ data mining library."
+PROJECT_LOGO           = docs/logo/pyclustering_logo_02.png
 OUTPUT_DIRECTORY       = doxygen_python_docs
 CREATE_SUBDIRS         = YES
 OUTPUT_LANGUAGE        = English
@@ -25,7 +25,7 @@ QT_AUTOBRIEF           = NO
 MULTILINE_CPP_IS_BRIEF = NO
 INHERIT_DOCS           = YES
 SEPARATE_MEMBER_PAGES  = NO
-TAB_SIZE               = 8
+TAB_SIZE               = 4
 ALIASES                =
 TCL_SUBST              =
 OPTIMIZE_OUTPUT_FOR_C  = NO
@@ -227,19 +227,19 @@ QHP_SECT_FILTER_ATTRS  =
 QHG_LOCATION           =
 GENERATE_ECLIPSEHELP   = NO
 ECLIPSE_DOC_ID         = org.doxygen.Project
-DISABLE_INDEX          = NO
+DISABLE_INDEX          = YES
 GENERATE_TREEVIEW      = YES
 ENUM_VALUES_PER_LINE   = 4
 TREEVIEW_WIDTH         = 250
 EXT_LINKS_IN_WINDOW    = NO
 FORMULA_FONTSIZE       = 10
 FORMULA_TRANSPARENT    = YES
-USE_MATHJAX            = NO
+USE_MATHJAX            = YES
 MATHJAX_FORMAT         = HTML-CSS
 MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
 MATHJAX_EXTENSIONS     =
 MATHJAX_CODEFILE       =
-SEARCHENGINE           = YES
+SEARCHENGINE           = NO
 SERVER_BASED_SEARCH    = YES
 EXTERNAL_SEARCH        = NO
 SEARCHENGINE_URL       =
@@ -359,4 +359,4 @@ MAX_DOT_GRAPH_DEPTH    = 0
 DOT_TRANSPARENT        = NO
 DOT_MULTI_TARGETS      = NO
 GENERATE_LEGEND        = YES
-DOT_CLEANUP            = NO
\ No newline at end of file
+DOT_CLEANUP            = NO
diff --git a/docs/logo/pyclustering_logo_02.png b/docs/logo/pyclustering_logo_02.png
index 7d9e9076..1f499522 100644
Binary files a/docs/logo/pyclustering_logo_02.png and b/docs/logo/pyclustering_logo_02.png differ