diff --git a/ChangeLog.md b/ChangeLog.md
index d82a5e4..545ae72 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,15 @@
 
 Notable changes to the FreeOrionSDK project will be documented in this file.
 
+## v15 - 2025-01-27
+
+- Update boost version to 1.87
+- Update SDL2 version to 2.26.0
+- Drop MSVC toolkit Windows Vista support. The minimum required Windows version is
+  now Windows 10.
+- Change OSX deployment target to 10.15
+- Raise Mac OS X build environment to Xcode 14.1
+
 ## v14 - 2023-04-25
 
 - Update boost version to 1.82
diff --git a/README-WIN32.txt b/README-WIN32.txt
index 646bd61..0265a95 100644
--- a/README-WIN32.txt
+++ b/README-WIN32.txt
@@ -58,7 +58,7 @@ inter-compatible.  The following software versions are included:
 
 Dependency Versions Included:
 
-* Boost 1.74          <http://www.boost.org/>
+* Boost 1.87          <http://www.boost.org/>
 * FreeType 2.9        <https://www.freetype.org/>
 * GLEW 2.2.0          <http://glew.sourceforge.net/>
 * libogg 1.3.2        <https://xiph.org/ogg/>
@@ -66,5 +66,5 @@ Dependency Versions Included:
 * OpenAL Soft 1.18.2  <http://kcat.strangesoft.net/openal.html>
 * libpng 1.6.37       <http://www.libpng.org/pub/png/libpng.html>
 * zlib 1.2.11         <http://www.zlib.net/>
-* Python 3.6.5        <https://www.python.org/>
-* SDL 2.0.12          <https://www.libsdl.org/>
+* Python 3.9.10       <https://www.python.org/>
+* SDL 2.26.0          <https://www.libsdl.org/>
diff --git a/README.md b/README.md
index 74f19d4..0f3ccec 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ Note: `-T v143` requires Visual Studio 2022. SDKs are generally compatible for b
 
 eg. together: `cmake .. -G "Visual Studio 17 2022" -A x64 -T v143`
 
-After that, the SDK can be build with:
+After that, the SDK can be built with:
 
 `cmake --build . --config RelWithDebInfo`
 
diff --git a/Version.cmake b/Version.cmake
index d5beddc..c43942b 100644
--- a/Version.cmake
+++ b/Version.cmake
@@ -1,4 +1,4 @@
 # This file contains CMake variable definition of SDK version
 
-set(DIST_VERSION 14 CACHE STRING "FreeOrionSDK release version.")
+set(DIST_VERSION 15 CACHE STRING "FreeOrionSDK release version.")