diff --git a/eng/install-native-dependencies.sh b/eng/install-native-dependencies.sh
index c131ffe4886645..b479a027ba1e76 100755
--- a/eng/install-native-dependencies.sh
+++ b/eng/install-native-dependencies.sh
@@ -45,7 +45,7 @@ case "$os" in
         # Homebrew LLVM whose libraries (e.g., libunwind.dylib) are the wrong
         # architecture or conflict with the Apple SDK, breaking native linking.
         # The build uses Apple clang from /usr/bin/clang exclusively.
-        brew uninstall --ignore-dependencies llvm 2>/dev/null || true
+        brew uninstall --ignore-dependencies llvm@18 2>/dev/null || true
 
         brew bundle --no-upgrade --file "$(dirname "$0")/Brewfile"
         ;;