diff --git a/development/Win32/packaging/AltInstaller/ChangeLog.txt b/development/Win32/packaging/AltInstaller/ChangeLog.txt
index 7c00ab909c..e10235d6dc 100644
--- a/development/Win32/packaging/AltInstaller/ChangeLog.txt
+++ b/development/Win32/packaging/AltInstaller/ChangeLog.txt
@@ -1,4 +1,9 @@
-Version 3.26
+Version 3.27
+- fix Unicode error when importing files created with LyX 1.6.x
+- add missing Python file to be able to import CSV-files to LyX
+
+
+Version 3.26
 - LyX 1.5.7
 
 - LyX files with the extensions ".lyx14" etc. that you get when exporting
diff --git a/development/Win32/packaging/AltInstaller/Settings.nsh b/development/Win32/packaging/AltInstaller/Settings.nsh
index ab75e8c7fe..d6421c770c 100644
--- a/development/Win32/packaging/AltInstaller/Settings.nsh
+++ b/development/Win32/packaging/AltInstaller/Settings.nsh
@@ -1,7 +1,7 @@
 # installer settings
 # You should need to change only these macros for new releases.
 
-!define INSTALLER_SUBVERSION "26"
+!define INSTALLER_SUBVERSION "27"
 !define PRODUCT_DIR "D:\LyXPackage1.5"
 !define PRODUCT_NAME "LyX"
 !define PRODUCT_VERSION "1.5.7"