diff --git a/api/next.pb.txt b/api/next.pb.txt
index 37ba19fa2..7a4280da2 100755
--- a/api/next.pb.txt
+++ b/api/next.pb.txt
@@ -840,6 +840,7 @@ file {
     java_outer_classname: "FieldMaskProto"
     java_multiple_files: true
     go_package: "google.golang.org/genproto/protobuf/field_mask;field_mask"
+    cc_enable_arenas: true
     objc_class_prefix: "GPB"
     csharp_namespace: "Google.Protobuf.WellKnownTypes"
   }
diff --git a/script/setup/install-protobuf b/script/setup/install-protobuf
index ccb57bbbe..a002edfb6 100755
--- a/script/setup/install-protobuf
+++ b/script/setup/install-protobuf
@@ -20,7 +20,7 @@
 #
 set -eu -o pipefail
 
-PROTOBUF_VERSION=3.5.1
+PROTOBUF_VERSION=3.7.0
 GOARCH=$(go env GOARCH)
 GOOS=$(go env GOOS)
 PROTOBUF_DIR=$(mktemp -d)
@@ -41,6 +41,10 @@ amd64|386)
 	unzip $PROTOBUF_DIR/protobuf -d /usr/local
 	;;
 
+ppc64le)
+	wget -O $PROTOBUF_DIR/protobuf "https://github.com/google/protobuf/releases/download/v$PROTOBUF_VERSION/protoc-$PROTOBUF_VERSION-linux-ppcle_64.zip"
+	unzip $PROTOBUF_DIR/protobuf -d /usr/local
+	;;
 *)
 	wget -O $PROTOBUF_DIR/protobuf "https://github.com/google/protobuf/releases/download/v$PROTOBUF_VERSION/protobuf-cpp-$PROTOBUF_VERSION.zip"
 	unzip $PROTOBUF_DIR/protobuf -d /usr/src/protobuf