diff --git a/ci/appveyor-cpp-setup.bat b/ci/appveyor-cpp-setup.bat index 5a9dffa166fb7..bcadbc57484d6 100644 --- a/ci/appveyor-cpp-setup.bat +++ b/ci/appveyor-cpp-setup.bat @@ -46,7 +46,8 @@ conda info -a @rem @rem Install mamba to the base environment @rem -conda install -q -y -c conda-forge mamba python=%PYTHON% || exit /B +@rem GH-44234: "mamba update" with Mamba 2.0.0 failed +conda install -q -y -c conda-forge mamba=1.5.10 python=%PYTHON% || exit /B @rem Update for newer CA certificates mamba update -q -y -c conda-forge --all || exit /B