diff --git a/utils/setup_old_mac_sdk.sh b/utils/setup_old_mac_sdk.sh
index fe1ab9a9c..89759d8be 100755
--- a/utils/setup_old_mac_sdk.sh
+++ b/utils/setup_old_mac_sdk.sh
@@ -2,7 +2,8 @@
 conda info -a
 # Install older Mac SDK so that conda llvm (7) can be used
 # https://github.com/conda-forge/mpi-feedstock/issues/4
-export MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET:-10.9}
+# export MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET:-10.9}
+export MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET:-11.0}
 export CONDA_BUILD_SYSROOT="$(xcode-select -p)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX${MACOSX_DEPLOYMENT_TARGET}.sdk"
 export SDKROOT=${CONDA_BUILD_SYSROOT}
 echo "MACOSX_DEPLOYMENT_TARGET = ${MACOSX_DEPLOYMENT_TARGET}"