diff --git a/pkgs/development/tools/build-managers/bazel/buildtools/default.nix b/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
index 2e8f806d53aa..f7b0184f8367 100644
--- a/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
@@ -1,16 +1,16 @@
-{ stdenv, buildGoPackage, fetchFromGitHub }:
+{ stdenv, buildGoPackage, fetchgit, fetchhg, fetchbzr, fetchsvn }:
 
 buildGoPackage rec {
   name = "bazel-buildtools-${version}";
-  version = "0.22.0";
+  version = "0.28.0";
+  rev = "d7ccc5507c6c16e04f5e362e558d70b8b179b052";
 
   goPackagePath = "github.com/bazelbuild/buildtools";
 
-  src = fetchFromGitHub {
-    owner = "bazelbuild";
-    repo = "buildtools";
-    rev = "55b64c3d2ddfb57f06477c1d94ef477419c96bd6";
-    sha256 = "0n6q8pkgy3vvmwyrxvkmjfbcxc31i31czg2bjdzq7awwrr4fdbwy";
+  src = fetchgit {
+    inherit rev;
+    url = "https://github.com/bazelbuild/buildtools";
+    sha256 = "1d8zjgbg77sk27cz9pjz1h6ajwxqmvdzqgwa2jbh6iykibhpadq0";
   };
 
   goDeps = ./deps.nix;
diff --git a/pkgs/development/tools/build-managers/bazel/buildtools/deps.nix b/pkgs/development/tools/build-managers/bazel/buildtools/deps.nix
index d7cd02c12b8b..5bae5b406535 100644
--- a/pkgs/development/tools/build-managers/bazel/buildtools/deps.nix
+++ b/pkgs/development/tools/build-managers/bazel/buildtools/deps.nix
@@ -5,8 +5,8 @@
     fetch = {
       type = "git";
       url = "https://github.com/golang/protobuf";
-      rev = "b5d812f8a3706043e23a9cd5babf2e5423744d30";
-      sha256 = "15am4s4646qy6iv0g3kkqq52rzykqjhm4bf08dk0fy2r58knpsyl";
+      rev = "6c65a5562fc06764971b7c5d05c76c75e84bdbf7";
+      sha256 = "1k1wb4zr0qbwgpvz9q5ws9zhlal8hq7dmq62pwxxriksayl6hzym";
     };
   }
   {