diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c2e619ad3..d8c4144655 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ cmake_policy(SET CMP0048 NEW)
 cmake_policy(SET CMP0074 NEW)
 
 # set up versioning.
-set(DF_VERSION "51.12")
+set(DF_VERSION "51.13")
 set(DFHACK_RELEASE "r1")
 set(DFHACK_PRERELEASE FALSE)
 
@@ -66,7 +66,7 @@ endif()
 
 if(WIN32)
     set(MSVC_MIN_VER 1930)
-    set(MSVC_MAX_VER 1943)
+    set(MSVC_MAX_VER 1944)
     if(NOT MSVC)
         message(SEND_ERROR "No MSVC found! MSVC 2022 version ${MSVC_MIN_VER} to ${MSVC_MAX_VER} is required.")
     elseif((MSVC_VERSION LESS MSVC_MIN_VER) OR (MSVC_VERSION GREATER MSVC_MAX_VER))
diff --git a/docs/changelog.txt b/docs/changelog.txt
index 9c4a419513..b90b39a332 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -67,6 +67,18 @@ Template for new versions:
 
 ## Removed
 
+# 51.13-r1
+
+## New Features
+
+- Compatibility with DF 51.13
+
+# 51.12-r1.1
+
+## New Features
+
+- Compatibility with Itch release of DF 51.12
+
 # 51.12-r1
 
 ## Fixes
diff --git a/library/xml b/library/xml
index ece08d36c4..ae7424d3f4 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit ece08d36c4f08dac9822a4ededa78a2f8b5532a9
+Subproject commit ae7424d3f40bf60b3906b5b9b472cb9a7209a3a8