diff --git a/.github/workflows/macos_ci.yml b/.github/workflows/macos_ci.yml
index ae7465f..6064d87 100644
--- a/.github/workflows/macos_ci.yml
+++ b/.github/workflows/macos_ci.yml
@@ -13,8 +13,8 @@ jobs:
     strategy:
       matrix:
         os:
-          - macos-latest
-          - macos-10.15
+          - macos-13
+          - macos-14
     continue-on-error: true
     runs-on: '${{ matrix.os }}'
     steps:
@@ -32,6 +32,8 @@ jobs:
       - name: Install Cargo Make
         uses: davidB/rust-cargo-make@v1
       - name: Install Dependencies
-        run: cargo make install_deps
+        run: |
+          # cargo make install_deps # doesn't work
+          brew install casacore/tap/casacore mwatelescope/tap/aoflagger
       - run: cargo make test --no-default-features
       - run: cargo make test
diff --git a/Makefile.toml b/Makefile.toml
index e6cf576..a7ccb3c 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -122,8 +122,14 @@ dependencies = ["install_cfitsio"]
 [tasks.linux_install_deps]
 dependencies = ["linux_install_aoflagger"]
 
+[tasks.mac_install_deps]
+script = """
+brew install casacore/tap/casacore mwatelescope/tap/aoflagger
+"""
+
 [tasks.install_deps]
 linux_alias = "linux_install_deps"
+mac_alias = "mac_install_deps"
 
 [tasks.linux_check_deps]
 script = """