diff --git a/.github/workflows/stlab.yml b/.github/workflows/stlab.yml
index ec1cf663..e4ce02f4 100644
--- a/.github/workflows/stlab.yml
+++ b/.github/workflows/stlab.yml
@@ -36,7 +36,7 @@ jobs:
         if: ${{ startsWith(matrix.config.os, 'macos') }}
         run: |
           brew update
-          brew install boost 1.83.0
+          brew install boost@1.83.0
           brew install ninja
         shell: bash