diff --git a/pkgs/development/tools/build-managers/bazel/buildtools/default.nix b/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
index 4ff5c39fac67..3c9adac6cb1d 100644
--- a/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "bazel-buildtools";
-  version = "4.0.1";
+  version = "4.2.0";
 
   src = fetchFromGitHub {
     owner = "bazelbuild";
     repo = "buildtools";
     rev = version;
-    sha256 = "0q7b9zh38vblqs5lwhjk28km89p706aky4wv6bwz2vg9gl6bfclq";
+    sha256 = "sha256-m6jTDFgjUpQrm77tCnpIRHUFJCFl7GKwu7NoHtoLNa4=";
   };
 
-  vendorSha256 = "1w6i1lb72mfdyb901gpl9yc6ql73j5kik6li0j5jv5ab2m3j9qvf";
+  vendorSha256 = "sha256-buMkRxVLlS2LBJGaGWeR41BsmE/0vgDS8s1VcRYN0fA=";
 
   preBuild = ''
     rm -r warn/docs