diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 389b2e0..8fafefb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,11 +24,19 @@ jobs:
         shell: bash
     steps:
       - uses: actions/checkout@v3
+      - name: Install GHCup on MacOS
+        if: matrix.os == 'macos-latest'
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_MINIMAL=1 sh
+          source ~/.ghcup/env
+      - name: Upgrade GHCup on Ubuntu  
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+          ghcup upgrade
       - name: Install Tools
         env:
           GHCUP_CURL_OPTS: "--suppress-connect-headers"
         run: |
-          ghcup upgrade
           ghcup list
           ghcup rm ghc ${{ matrix.ghc }} || true
           ghcup install ghc ${{ matrix.ghc }} --set