diff --git a/CMakeLists.txt b/CMakeLists.txt
index a99ce95e6ae..e2cd3029058 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.13)
-project(Cppcheck VERSION 2.17.99 LANGUAGES CXX)
+project(Cppcheck VERSION 2.18.99 LANGUAGES CXX)
 
 include(cmake/options.cmake)
 
diff --git a/cli/main.cpp b/cli/main.cpp
index d486b0c01ee..d2a8417560e 100644
--- a/cli/main.cpp
+++ b/cli/main.cpp
@@ -20,7 +20,7 @@
 /**
  *
  * @mainpage Cppcheck
- * @version 2.17.99
+ * @version 2.18.99
  *
  * @section overview_sec Overview
  * Cppcheck is a simple tool for static analysis of C/C++ code.
diff --git a/man/manual.md b/man/manual.md
index 2acad1d316e..1e8aaa94f68 100644
--- a/man/manual.md
+++ b/man/manual.md
@@ -1,6 +1,6 @@
 ---
 title: Cppcheck manual
-subtitle: Version 2.17.99
+subtitle: Version 2.19 dev
 author: Cppcheck team
 lang: en
 documentclass: report
diff --git a/man/reference-cfg-format.md b/man/reference-cfg-format.md
index 5ced0b065a4..7a9e3b6dee7 100644
--- a/man/reference-cfg-format.md
+++ b/man/reference-cfg-format.md
@@ -1,6 +1,6 @@
 ---
 title: Cppcheck .cfg format
-subtitle: Version 2.17.99
+subtitle: Version 2.19 dev
 author: Cppcheck team
 lang: en
 documentclass: report
diff --git a/man/writing-addons.md b/man/writing-addons.md
index ef097840227..da21ea513ad 100644
--- a/man/writing-addons.md
+++ b/man/writing-addons.md
@@ -1,6 +1,6 @@
 ---
 title: Writing addons
-subtitle: Version 2.17.99
+subtitle: Version 2.19 dev
 author: Cppcheck team
 lang: en
 documentclass: report
diff --git a/win_installer/productInfo.wxi b/win_installer/productInfo.wxi
index f82ad89f144..d07ce1136c9 100644
--- a/win_installer/productInfo.wxi
+++ b/win_installer/productInfo.wxi
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Include>
-  <?define ProductName = "Cppcheck $(var.Platform) 2.18 dev" ?>
+  <?define ProductName = "Cppcheck $(var.Platform) 2.19 dev" ?>
   <?define ProductNameShort = "Cppcheck" ?>
-  <?define ProductVersion = "2.17.99" ?>
+  <?define ProductVersion = "2.18.99" ?>
 
   <?define ProductManufacturer = "The Cppcheck team" ?>
   <?define ProductDescription = "Cppcheck is a tool for static analysis of C/C++ code" ?>