diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 69075588..000ee62f 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -31,6 +31,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: Install brew packages on OSX
+        if: runner.os == 'macOS'
+        run: |
+          brew install fftw glpk pkgconfig
+
       - uses: r-lib/actions/setup-pandoc@v2
 
       - uses: r-lib/actions/setup-r@v2