diff --git a/WORKSPACE b/WORKSPACE
index 80da9d9..2f03e9c 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -46,7 +46,7 @@ protobuf_deps()
 
 http_archive(
     name = "com_github_bazelbuild_buildtools",
-    sha256 = "05c3c3602d25aeda1e9dbc91d3b66e624c1f9fdadf273e5480b489e744ca7269",
-    strip_prefix = "buildtools-6.4.0",
-    url = "https://github.com/bazelbuild/buildtools/archive/refs/tags/v6.4.0.tar.gz",
+    sha256 = "051951c10ff8addeb4f10be3b0cf474b304b2ccd675f2cc7683cdd9010320ca9",
+    strip_prefix = "buildtools-7.3.1",
+    url = "https://github.com/bazelbuild/buildtools/archive/refs/tags/v7.3.1.tar.gz",
 )