diff --git a/Makefile.toml b/Makefile.toml
index e6cf576..a6acb1a 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -122,8 +122,19 @@ dependencies = ["install_cfitsio"]
 [tasks.linux_install_deps]
 dependencies = ["linux_install_aoflagger"]
 
+[tasks.mac_install_deps]
+script = """
+if [[ $(uname -m) == 'arm64' ]]; then
+  arch -arm64 brew upgrade || echo "huh?"
+  arch -arm64 brew install casacore/tap/casacore mwatelescope/tap/aoflagger
+else
+  brew install casacore/tap/casacore mwatelescope/tap/aoflagger
+fi
+"""
+
 [tasks.install_deps]
 linux_alias = "linux_install_deps"
+mac_alias = "mac_install_deps"
 
 [tasks.linux_check_deps]
 script = """