diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b1d4354268..b9999b4442 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -64,6 +64,7 @@ jobs:
       if: runner.os == 'macOS'
       run: |
         brew install \
+          autoconf \
           ninja \
           pkg-config