diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ae4144..4c6e57f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -352,6 +352,8 @@ jobs:
           brew link --overwrite "$pkg"
         done
         brew upgrade
+        brew install eigen
+        brew install boost
         pip install distro pytest
 
     - name: Restore Cache LLVM/Clang runtime build directory
diff --git a/test/test_eigen.py b/test/test_eigen.py
index 18ae312..187e244 100644
--- a/test/test_eigen.py
+++ b/test/test_eigen.py
@@ -1,6 +1,6 @@
 import py, os, sys
 from pytest import mark, raises
-from .support import setup_make, IS_CLANG_REPL
+from .support import setup_make, IS_CLANG_REPL, IS_MAC_X86
 
 inc_paths = [os.path.join(os.path.sep, 'usr', 'include'),
              os.path.join(os.path.sep, 'usr', 'local', 'include')]