diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index e9f7dd3..99858e8 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -46,11 +46,11 @@ jobs:
       - name: Install prerequisites
         shell: bash -l {0}
         run: |
+          ruby - e  "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null  2 > /dev/null
+          brew reinstall --build-from-source cmake
+          ln -s /usr/local/Cellar/cmake/3.27.1 /usr/local/Cellar/cmake/3.26.4
           brew install create-dmg
           if [ ! -d "./opencv" ]; then
-            ruby - e  "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null  2 > /dev/null
-            brew install --build-from-source cmake
-            ln -s /usr/local/Cellar/cmake/3.27.1 /usr/local/Cellar/cmake/3.26.4
             git clone https://github.com/opencv/opencv.git --branch 4.0.0 --depth 1
             cmake -S opencv -B opencv/build -D ENABLE_PRECOMPILED_HEADERS=OFF -D WITH_MSMF=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_TESTS=OFF -D BUILD_WITH_DEBUG_INFO=OFF -D BUILD_DOCS=OFF -D WITH_JPEG=OFF -D WITH_FFMPEG=OFF -D CMAKE_BUILD_TYPE=RELEASE
             cd ./opencv/build