diff --git a/Version.txt b/Version.txt
index efa84a6fa..3afed13e9 100644
--- a/Version.txt
+++ b/Version.txt
@@ -23,7 +23,7 @@ SET(C4ENGINENAME        "OpenClonk")
 SET(C4ENGINENICK        "openclonk")
 
 SET(C4XVER1             8)
-SET(C4XVER2             0)
+SET(C4XVER2             1)
 
 # Set this variable to any string for pre-release versions, like "alpha" or
 # "rc1". Don't supply a value (FALSE) for release versions.