diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c8b833..22aab7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.13.1 (2026-08-19)
+
+### 文档
+- README（中英）新增“与 MoonBit 生态中其他图像库的关系”章节，说明与 millow / MoonVision / shunge/image 的定位差异与 PixelForge 独有能力
+
 ## 0.13.0 (2026-07-31)
 
 ### 新增
diff --git a/moon.mod b/moon.mod
index 149a4ab..c044610 100644
--- a/moon.mod
+++ b/moon.mod
@@ -1,6 +1,6 @@
 name = "0717lee/pixelforge"
 
-version = "0.13.0"
+version = "0.13.1"
 
 readme = "README.md"