diff --git a/install.bat b/install.bat
index 3d5c13d..8c3a4db 100644
--- a/install.bat
+++ b/install.bat
@@ -4,7 +4,7 @@ setlocal EnableDelayedExpansion
 set ORIGIN=%cd%
 
 :: Configuration
-set VERSION=1.3
+set VERSION=1.3.1
 set VER=%VERSION:.=%
 set URL=https://zlib.net/zlib%VER%.zip
 set CMAKE_VS_PLATFORM_NAME=x64