diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 239d1346..a1ae3ac0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -224,7 +224,9 @@ jobs:
             MAKE=make
             MAKEOPT="-j$(sysctl -n hw.logicalcpu)"
             PERL=perl
-            echo "MACOSX_DEPLOYMENT_TARGET=10.15" >> $GITHUB_ENV
+            MACOSX_DEPLOYMENT_TARGET=$(sw_vers -productVersion | awk -F '.' '{print $1 "." $2}')
+            echo "MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET}" >> $GITHUB_ENV
+            echo "We are running on and targetting MacOS ${MACOSX_DEPLOYMENT_TARGET}"
             echo "PYTHON=${PYTHON_INSTALL_PATH}/bin/python3" >> $GITHUB_ENV
           elif [[ "${RUNNER_OS}" == "Linux" ]]; then
             MAKE=make