diff --git a/arrow.sh b/arrow.sh
index d1b1661750..49b22845a3 100644
--- a/arrow.sh
+++ b/arrow.sh
@@ -65,6 +65,10 @@ case $ARCHITECTURE in
    if [ -d "$(brew --prefix llvm)" ]; then
      CLANG_EXECUTABLE="$(brew --prefix llvm)/bin/clang"
    else
+     # fall back to llvm@18
+     if [ -d "$(brew --prefix llvm)@18" ]; then
+       CLANG_EXECUTABLE="$(brew --prefix llvm)@18/bin/clang"
+     fi
      # fall back to llvm@17
      if [ -d "$(brew --prefix llvm)@17" ]; then
        CLANG_EXECUTABLE="$(brew --prefix llvm)@17/bin/clang"