diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 285e98a..9996381 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,7 +36,7 @@ jobs:
     - name: MacOS setup
       if: runner.os == 'macOS'
       run: |
-        brew install autoconf automake pkg-config libtool
+        brew install autoconf automake libtool
     - name: Setup clang (Linux)
       if: runner.os == 'Linux' && matrix.compiler == 'clang'
       run: |