diff --git a/CMakeLists.txt b/CMakeLists.txt
index e06f8b4..a662339 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ include(FetchContent)
 
 project(
     simstr
-    VERSION 1.2.6
+    VERSION 1.2.8
     DESCRIPTION "Yet another modern C++ string library"
     HOMEPAGE_URL "https://github.com/orefkov/simstr"
     LANGUAGES CXX
diff --git a/docs/Doxyfile b/docs/Doxyfile
index d322a85..b43b53d 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = "simstr"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.2.4
+PROJECT_NUMBER         = 1.2.8
 
 # 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 viewers a
diff --git a/docs/Doxyfile_ru b/docs/Doxyfile_ru
index bb1a87a..8a3012b 100644
--- a/docs/Doxyfile_ru
+++ b/docs/Doxyfile_ru
@@ -48,7 +48,7 @@ PROJECT_NAME           = "simstr"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.2.4
+PROJECT_NUMBER         = 1.2.8
 
 # 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 viewers a
diff --git a/readme.md b/readme.md
index 0b1c317..421afc2 100644
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,7 @@
 # simstr - String object and function library
 [![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml)
 
-Version 1.2.6.
+Version 1.2.8.
 
 <span class="obfuscator"><a href="readme_ru.md">On Russian | По-русски</a></span>
 
diff --git a/readme_ru.md b/readme_ru.md
index e6d65cd..c50aaf2 100644
--- a/readme_ru.md
+++ b/readme_ru.md
@@ -1,7 +1,7 @@
 # simstr - библиотека строковых объектов и функций
 [![CMake on multiple platforms](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml/badge.svg)](https://github.com/orefkov/simstr/actions/workflows/cmake-multi-platform.yml)
 
-Версия 1.2.6.
+Версия 1.2.8.
 
 <span class="obfuscator"><a href="readme.md">On English | По-английски</a></span>