diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 75de08da..8ff10fbd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -55,7 +55,7 @@ jobs:
       with:
         version: '6.2.4'
     - name: install-gcc-12
-      run: brew install gcc-12
+      run: brew install gcc@12
     - name: cmake
       run: mkdir cbuild; cd cbuild; cmake ..
     - name: make