diff --git a/pkgs/by-name/bu/buildkite-agent/package.nix b/pkgs/by-name/bu/buildkite-agent/package.nix
index ccbfc90a3a20..c0d608ec8ed1 100644
--- a/pkgs/by-name/bu/buildkite-agent/package.nix
+++ b/pkgs/by-name/bu/buildkite-agent/package.nix
@@ -13,16 +13,16 @@
 }:
 buildGoModule rec {
   pname = "buildkite-agent";
-  version = "3.82.1";
+  version = "3.85.1";
 
   src = fetchFromGitHub {
     owner = "buildkite";
     repo = "agent";
     rev = "v${version}";
-    hash = "sha256-xTF8zmpwEFHkLwDYBICXJZ4gjJYpcH5i76kPQM6qt5o=";
+    hash = "sha256-aRgjXzwTC1wCWZ7n0MJpNHcHZgvendFPr4vCrBnCJCk=";
   };
 
-  vendorHash = "sha256-xKAQ2yvFYl9ld3H6IGafYgCdA8jn9xig/AAej56ACns=";
+  vendorHash = "sha256-UMnDVxZgqI4430IlA8fSygKEOT86RjCwuzGsvkQ8XIo=";
 
   postPatch = ''
     substituteInPlace clicommand/agent_start.go --replace /bin/bash ${bash}/bin/bash