diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7bce97b931..bab7119be5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 ## Latest changes
+
+## Release 1.2.0
 * Added support for Clang 5 and Clang 6
 * Added checks to enforce increasing time indices
 * Consider timeIndex=0 as error
diff --git a/doc/Main.adoc b/doc/Main.adoc
index 264fc9bb66..5dd6164118 100644
--- a/doc/Main.adoc
+++ b/doc/Main.adoc
@@ -26,7 +26,7 @@ ad-rss-lib
 :pdf-style: custom
 :pdf-fontsdir: /var/lib/gems/2.3.0/gems/asciidoctor-pdf-1.5.0.alpha.16/data/fonts
 // html ressources
-:revnumber: 1.1
+:revnumber: 1.2
 :revdate: {localdate}
 :stylesheet: documentation_style.css
 :stylesdir: ./resources/css
diff --git a/doc/includes/Appendix.adoc b/doc/includes/Appendix.adoc
index 74c4b84312..bbb671e570 100644
--- a/doc/includes/Appendix.adoc
+++ b/doc/includes/Appendix.adoc
@@ -35,6 +35,7 @@ include::Appendix-ParameterDiscussion.adoc[]
 [width="100%",frame="topbot",cols="2,2,4,8",options="header"]
 |====
 |Revision |Date |Author(s) | Description
+|1.2 |2019-03-26 |Bernd Gassmann | Release update of version number
 |1.1 |2019-03-20 |Bernd Gassmann | Harmonized naming of library and git repository
 |1.0 |2019-02-28 |Cornelius Buerkle, Bernd Gassmann, Fabian Oboril, Peter van Beek | Initial version
 |====