diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2cfe724e..6854b3300 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -189,8 +189,8 @@ if(NOT EXISTS ${dfhack_SOURCE_DIR}/library/xml/codegen.pl
 endif()
 
 # set up versioning.
-set(DF_VERSION "50.05")
-set(DFHACK_RELEASE "alpha3.1")
+set(DF_VERSION "50.07")
+set(DFHACK_RELEASE "alpha0")
 set(DFHACK_PRERELEASE TRUE)
 
 set(DFHACK_VERSION "${DF_VERSION}-${DFHACK_RELEASE}")
diff --git a/library/xml b/library/xml
index 68f8bfa92..e3c3d6a75 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit 68f8bfa92b68ef9bc30da7f5a8ea5cf91f69ea16
+Subproject commit e3c3d6a755de05c36bb7f2ac873d6ccb70410589