diff --git a/cli/main.cpp b/cli/main.cpp
index eb5a648ba..32494137a 100644
--- a/cli/main.cpp
+++ b/cli/main.cpp
@@ -20,7 +20,7 @@
 /**
  *
  * @mainpage Cppcheck
- * @version 2.11.99
+ * @version 2.10.99
  *
  * @section overview_sec Overview
  * Cppcheck is a simple tool for static analysis of C/C++ code.
diff --git a/cmake/versions.cmake b/cmake/versions.cmake
index b8f1c7fe0..99325e86f 100644
--- a/cmake/versions.cmake
+++ b/cmake/versions.cmake
@@ -1,9 +1,10 @@
 # Version for libraries CPP
-SET(VERSION "2.11.99")
+SET(VERSION "2.10.99")
 STRING(REGEX MATCHALL "[0-9]+" VERSION_PARTS "${VERSION}")
 LIST(GET VERSION_PARTS 0 VERSION_MAJOR)
 LIST(GET VERSION_PARTS 1 VERSION_MINOR)
-SET(SOVERSION "${VERSION_MAJOR}.${VERSION_MINOR}")
+LIST(GET VERSION_PARTS 2 VERSION_PATCH)
+SET(SOVERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 
 # Postfix of so's:
 SET(DLLVERSION "")
diff --git a/win_installer/productInfo.wxi b/win_installer/productInfo.wxi
index 8962fe14e..d12bb28fb 100644
--- a/win_installer/productInfo.wxi
+++ b/win_installer/productInfo.wxi
@@ -2,7 +2,7 @@
 <Include>
   <?define ProductName = "Cppcheck $(var.Platform) 2.11 dev" ?>
   <?define ProductNameShort = "Cppcheck" ?>
-  <?define ProductVersion = "2.11.99" ?>
+  <?define ProductVersion = "2.10.99" ?>
 
   <?define ProductManufacturer = "The Cppcheck team" ?>
   <?define ProductDescription = "Cppcheck is a tool for static analysis of C/C++ code" ?>