diff --git a/install.bat b/install.bat
index 914cd7e5..69cdd45a 100644
--- a/install.bat
+++ b/install.bat
@@ -30,7 +30,7 @@ set PATH=%SystemRoot%\system32;%PATH%
 
 set MAMBA_ROOT_PREFIX=%cd%\installer_files\mamba
 set INSTALL_ENV_DIR=%cd%\installer_files\env
-set MICROMAMBA_DOWNLOAD_URL=https://github.com/mamba-org/micromamba-releases/releases/latest/download/micromamba-win-64
+set MICROMAMBA_DOWNLOAD_URL=https://github.com/mamba-org/micromamba-releases/releases/download/1.4.0-0/micromamba-win-64
 set REPO_URL=https://github.com/oobabooga/text-generation-webui.git
 set umamba_exists=F