diff --git a/pkgs/applications/networking/cluster/acorn/default.nix b/pkgs/applications/networking/cluster/acorn/default.nix
index ce0f07f9ec10..e30e78daf7cf 100644
--- a/pkgs/applications/networking/cluster/acorn/default.nix
+++ b/pkgs/applications/networking/cluster/acorn/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "acorn";
-  version = "0.4.2";
+  version = "0.5.0";
 
   src = fetchFromGitHub {
     owner = "acorn-io";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-IzjCYVQ9RhuAmgloue421F43ARviaHW7mTkLhLW/VPM=";
+    hash = "sha256-wrtuBme12pilFKDyzKWlZFUu99NQKgwnx2fUOfL+VAY=";
   };
 
-  vendorHash = "sha256-z2ya/CgH9AcxHe73Yt9XWbJqH4OrZWt0bRDsna5hYeo=";
+  vendorHash = "sha256-9cq64397RB4KWVatuKXi1EwjolGEpwAc+tC1zs3boQ4=";
 
   ldflags = [
     "-s"