diff --git a/.github/workflows/macos-release-build.yml b/.github/workflows/macos-release-build.yml
index 6ee92ef06..d7d48b479 100644
--- a/.github/workflows/macos-release-build.yml
+++ b/.github/workflows/macos-release-build.yml
@@ -76,8 +76,7 @@ jobs:
 
           brew install watchman
 
-          brew uninstall llvm
-          brew install llvm@19 --force
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.79
 
       - name: Force usage fo gnu-tar
         run: |