diff --git a/pkgs/by-name/na/nats-server/package.nix b/pkgs/by-name/na/nats-server/package.nix
index 7942ca0f184a..524c40644aa0 100644
--- a/pkgs/by-name/na/nats-server/package.nix
+++ b/pkgs/by-name/na/nats-server/package.nix
@@ -7,16 +7,16 @@
 
 buildGoModule rec {
   pname = "nats-server";
-  version = "2.11.9";
+  version = "2.12.0";
 
   src = fetchFromGitHub {
     owner = "nats-io";
     repo = "nats-server";
     rev = "v${version}";
-    hash = "sha256-F35qklJRa9IUikVNhh8c34KF3l41yfPXl0aig1iQq1g=";
+    hash = "sha256-Ln4e58jIrZZRbgf1+b28sNT1hyNSZepH5oo71OWVFII=";
   };
 
-  vendorHash = "sha256-ti2Y4ev8INMNudfwmPhmKGCManRj2cFTw6Fh7kkvDQc=";
+  vendorHash = "sha256-533w30v681ZYOEL+gCkF7XOXsUmW1DV2+Eukgd/OcxE=";
 
   doCheck = false;
 
diff --git a/pkgs/development/python-modules/nats-py/default.nix b/pkgs/development/python-modules/nats-py/default.nix
index 73746749cfcb..4eb1555f61b2 100644
--- a/pkgs/development/python-modules/nats-py/default.nix
+++ b/pkgs/development/python-modules/nats-py/default.nix
@@ -56,6 +56,9 @@ buildPythonPackage rec {
     "test_subscribe_iterate_next_msg"
     "test_ordered_consumer_larger_streams"
     "test_object_file_basics"
+    # Should be safe to remove on next version upgrade (from 2.11.0)
+    # https://github.com/nats-io/nats.py/pull/728
+    "test_object_list"
   ]
   ++ lib.optionals stdenv.hostPlatform.isDarwin [
     "test_subscribe_iterate_next_msg"