diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8fb91f3a..b99599fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Install MacOS Build Dependencies
         if: ${{ matrix.os == 'macos-latest' }}
         run: |
-          brew install wxwidgets coreutils
+          brew install wxwidgets coreutils autoconf
       - name: Install Windows Build Dependencies
         if: ${{ matrix.os == 'windows-latest' }}
         uses: johnwason/vcpkg-action@v6