diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eef45e3e..04f56710 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -94,6 +94,15 @@ jobs:
           echo '${{ github.workspace }}/external/bin' >> $GITHUB_PATH
           echo "LIBLEOPARD_CMAKE_FLAGS=-DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS=-m32 -DCMAKE_CXX_FLAGS=-m32" >> $GITHUB_ENV
 
+      - name: Install build dependencies (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          brew install libomp
+          echo "$(brew --prefix)/opt/llvm/bin" >> $GITHUB_PATH
+          echo "LDFLAGS=-L$(brew --prefix)/opt/libomp/lib -L$(brew --prefix)/opt/llvm/lib -Wl,-rpath,$(brew --prefix)/opt/llvm/lib" >> $GITHUB_ENV
+          echo "LIBLEOPARD_CMAKE_FLAGS=-DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=$(brew --prefix)/opt/llvm/bin/clang -DCMAKE_CXX_COMPILER=$(brew --prefix)/opt/llvm/bin/clang++" >> $GITHUB_ENV
+          echo "NIM_EXTRA_PARAMS=--passL:-fopenmp --passL:-L$(brew --prefix)/opt/libomp/lib" >> $GITHUB_ENV
+
       - name: Restore MinGW-W64 (Windows) from cache
         if: runner.os == 'Windows'
         id: windows-mingw-cache
@@ -173,4 +182,4 @@ jobs:
         shell: bash
         working-directory: nim-dagger
         run: |
-          make test
+          make V=1 test