diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3602655b4..c7c0835a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,7 +137,7 @@ endif()
 
 # set up versioning.
 set(DF_VERSION "0.43.05")
-SET(DFHACK_RELEASE "alpha4")
+SET(DFHACK_RELEASE "beta1")
 SET(DFHACK_PRERELEASE TRUE)
 
 set(DFHACK_VERSION "${DF_VERSION}-${DFHACK_RELEASE}")