diff --git a/Version.txt b/Version.txt
index 367f07813..d6a5de9c1 100644
--- a/Version.txt
+++ b/Version.txt
@@ -1,6 +1,6 @@
 # OpenClonk, http://www.openclonk.org
 #
-# Copyright (c) 2009-2015, The OpenClonk Team and contributors
+# Copyright (c) 2009-2018, The OpenClonk Team and contributors
 #
 # Distributed under the terms of the ISC license; see accompanying file
 # "COPYING" for details.
@@ -22,9 +22,9 @@ SET(C4PROJECT_URL       "http://${C4PROJECT_DOMAIN}.${C4PROJECT_TLD}")
 SET(C4ENGINENAME        "OpenClonk")
 SET(C4ENGINENICK        "openclonk")
 
-SET(C4XVER1             8)
+SET(C4XVER1             9)
 SET(C4XVER2             0)
 
 # Set this variable to any string for pre-release versions, like "alpha" or
 # "rc1". Don't supply a value (FALSE) for release versions.
-SET(C4VERSIONEXTRA      "rc1")
+SET(C4VERSIONEXTRA      "alpha")