diff --git a/pkgs/servers/etcd/3.4.nix b/pkgs/servers/etcd/3.4.nix
index 4ceb9451b73..699ec033d3f 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 = ''
diff --git a/pkgs/servers/etcd/default.nix b/pkgs/servers/etcd/default.nix
index 19e2f720e52..4c0df659f3e 100644
--- a/pkgs/servers/etcd/default.nix
+++ b/pkgs/servers/etcd/default.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   pname = "etcd";
-  version = "3.3.21";
+  version = "3.3.22";
 
   goPackagePath = "github.com/coreos/etcd";
 
@@ -10,7 +10,7 @@ buildGoPackage rec {
     owner = "etcd-io";
     repo = "etcd";
     rev = "v${version}";
-    sha256 = "1xrhkynach3c7wsfac6zlpi5n1hy3y75vyimvw2zl7ryhm00413s";
+    sha256 = "1rd390qfx9k20j9gh1wp1g9ygc571f2kv1dg2wvqij3kwydhymcj";
   };
 
   buildPhase = ''