diff --git a/configure.ac b/configure.ac
index 52d812def..c047c245d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,8 +3,8 @@ AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 3)
 define(_CLIENT_VERSION_MINOR, 3)
 define(_CLIENT_VERSION_REVISION, 9)
-define(_CLIENT_VERSION_BUILD, 3)
-define(_CLIENT_VERSION_IS_RELEASE, false)
+define(_CLIENT_VERSION_BUILD, 5)
+define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2020)
 AC_INIT([TWINS Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[win.win],[twins])
 AC_CONFIG_SRCDIR([src/main.cpp])