diff --git a/pkgs/servers/etcd/3.4.nix b/pkgs/servers/etcd/3.4.nix
index 4ceb9451b73f..699ec033d3f3 100644
--- a/pkgs/servers/etcd/3.4.nix
+++ b/pkgs/servers/etcd/3.4.nix
@@ -2,15 +2,18 @@
 
 buildGoModule rec {
   pname = "etcd";
-  version = "3.4.8";
+  version = "3.4.9";
 
-  vendorSha256 = null;
+  #vendorSha256 = null; revert to `null` for > 3.4.9
+
+  vendorSha256 = "1fhrycl8m8ddb7mwasbyfiwrl4d9lfdk7zd3mxb7ahkipdp2c94z";
+  deleteVendor = true;
 
   src = fetchFromGitHub {
     owner = "etcd-io";
     repo = "etcd";
     rev = "v${version}";
-    sha256 = "0kx36kq6a7i3cja3wp9mwbnar752pz8c0n2fcvwyzi6l6ph6alx7";
+    sha256 = "16l4wmnm7mkhpb2vzf6xnhhyx6lj8xx3z6x1bfs05idajnrw824p";
   };
 
   buildPhase = ''