diff --git a/pkgs/by-name/va/vault/package.nix b/pkgs/by-name/va/vault/package.nix
index 9d7aa9158597..020054b5b8b8 100644
--- a/pkgs/by-name/va/vault/package.nix
+++ b/pkgs/by-name/va/vault/package.nix
@@ -12,19 +12,25 @@
 
 buildGoModule rec {
   pname = "vault";
-  version = "1.20.3";
+  version = "1.20.4";
 
   src = fetchFromGitHub {
     owner = "hashicorp";
     repo = "vault";
     rev = "v${version}";
-    hash = "sha256-q7Uz8gq092JU1v6sEQvraV6wxgBEGGnZFCBEw2f9GMw=";
+    hash = "sha256-GZ+/NzOjcKTYOq4HajKGD68RNxIdXxfLo/pAewaZ8F8=";
   };
 
-  vendorHash = "sha256-504WH4KaL1ecsuwXlELKhpbHHK67IcaI+I4DvEQerwA=";
+  vendorHash = "sha256-mhT5s1nIdX/57TDEaWwbni0E7DX0W0WwwvrSr7L66hI=";
 
   proxyVendor = true;
 
+  postPatch = ''
+    # Remove defunct github.com/hashicorp/go-cmp dependency
+    sed -i '/github\.com\/hashicorp\/go-cmp/d' go.mod
+    sed -i '/github\.com\/hashicorp\/go-cmp/d' go.sum
+  '';
+
   subPackages = [ "." ];
 
   nativeBuildInputs = [