diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e72ad7a..5b594c8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,7 +61,7 @@ jobs:
 
       - name: Install dependencies (macOS)
         if: runner.os == 'macOS'
-        run: brew install conan libomp llvm ninja
+        run: brew install conan libomp llvm ninja opencv
 
       - name: Install dependencies (Windows)
         if: runner.os == 'Windows'