diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 59b14dc3287..cce66fe71ba 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -117,12 +117,12 @@ jobs:
     env:
       ARROW_HOME: /usr/local
       ARROW_DATASET: ON
+      ARROW_GANDIVA: ON
       ARROW_JEMALLOC: ON
       ARROW_ORC: ON
-      ARROW_PYTHON: ON
-      ARROW_PLASMA: ON
-      ARROW_GANDIVA: ON
       ARROW_PARQUET: ON
+      ARROW_PLASMA: ON
+      ARROW_PYTHON: ON
       ARROW_WITH_ZLIB: ON
       ARROW_WITH_LZ4: ON
       ARROW_WITH_BZ2: ON
diff --git a/cpp/Brewfile b/cpp/Brewfile
index 78ee5e64c8f..a96f786fb2d 100644
--- a/cpp/Brewfile
+++ b/cpp/Brewfile
@@ -25,7 +25,7 @@ brew "flatbuffers"
 brew "git"
 brew "glog"
 brew "grpc"
-brew "llvm"
+brew "llvm@12"
 brew "llvm@8"
 brew "lz4"
 brew "minio"