diff --git a/README.md b/README.md
index eaacb71..16eb358 100644
--- a/README.md
+++ b/README.md
@@ -56,13 +56,7 @@ brew install zlib
 #### For Windows:
 ```
 MinGW or other GCC
-
-zlib & libpng (bitmap need it.)
 ```
-##### [Windows GCC installation Zlib & libpng tutorial](https://github.com/go-vgo/Mingw32)
-
-##### [Download include zlib & libpng Windows64 GCC](https://github.com/go-vgo/Mingw)
-
 #### For everything else:
 ```
 GCC
diff --git a/README_zh.md b/README_zh.md
index e197ee7..4b75631 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -54,12 +54,7 @@ brew install zlib
 #### For Windows:
 ```
 MinGW or other GCC
-
-zlib & libpng (bitmap 依赖)
 ```
-##### [Windows GCC 安装 Zlib & libpng 教程](https://github.com/go-vgo/Mingw32)
-##### [下载包含 zlib 和 libpng 的 64位 MinGW](https://github.com/go-vgo/Mingw)
-
 #### For everything else (Linux 等其他系统):
 ```
 GCC
diff --git a/cdeps/win32/libpng.a b/cdeps/win32/libpng.a
new file mode 100644
index 0000000..d85652f
Binary files /dev/null and b/cdeps/win32/libpng.a differ
diff --git a/robotgo.go b/robotgo.go
index 1d982ac..e97f828 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -64,7 +64,7 @@ import (
 )
 
 const (
-	version string = "v0.46.6.431, Pyrenees Mountains!"
+	version string = "v0.46.6.432, Pyrenees Mountains!"
 )
 
 type (