diff --git a/api/bazel/repository_locations.bzl b/api/bazel/repository_locations.bzl
index 61a98a866116c..9edd71b241e06 100644
--- a/api/bazel/repository_locations.bzl
+++ b/api/bazel/repository_locations.bzl
@@ -32,9 +32,9 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "Bazel build tools",
         project_desc = "Developer tools for working with Google's bazel buildtool.",
         project_url = "https://github.com/bazelbuild/buildtools",
-        version = "4.0.1",
-        sha256 = "c28eef4d30ba1a195c6837acf6c75a4034981f5b4002dda3c5aa6e48ce023cf1",
-        release_date = "2021-03-01",
+        version = "4.2.2",
+        sha256 = "ae34c344514e08c23e90da0e2d6cb700fcd28e80c02e23e4d5715dddcb42f7b3",
+        release_date = "2021-10-07",
         strip_prefix = "buildtools-{version}",
         urls = ["https://github.com/bazelbuild/buildtools/archive/{version}.tar.gz"],
         use_category = ["api"],