diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 74985e84..e9f227e6 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -35,6 +35,11 @@ jobs:
           r-version: ${{ matrix.config.r }}
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
+
+      - name: Install macOS system dependencies
+        if: runner.os == 'macOS'
+        run: brew install gdal proj
+
       - uses: r-lib/actions/setup-renv@v2
       - uses: r-lib/actions/setup-r-dependencies@v2
         with: