diff --git a/tools/build/bazel/protobuf_workspace.bzl b/tools/build/bazel/protobuf_workspace.bzl
index 1932b57..4a65eab 100644
--- a/tools/build/bazel/protobuf_workspace.bzl
+++ b/tools/build/bazel/protobuf_workspace.bzl
@@ -6,8 +6,8 @@
 def generate_protobuf():
     http_archive(
         name = "com_google_protobuf",
-        urls = ["https://github.com/google/protobuf/releases/download/v%s/protobuf-all-%s.zip"
-            % (PROTOBUF_VER, PROTOBUF_VER)],
+        urls = ["https://github.com/google/protobuf/releases/download/v%s/protobuf-all-%s.zip" %
+                (PROTOBUF_VER, PROTOBUF_VER)],
         sha256 = SHA,
         strip_prefix = "protobuf-" + PROTOBUF_VER,
     )