diff --git a/flake.lock b/flake.lock
index 12f6aa4..a546703 100644
--- a/flake.lock
+++ b/flake.lock
@@ -56,11 +56,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1780902259,
-        "narHash": "sha256-q8yYEC5f1mFlQO9RGna4LTc9QrcvWunX6FYp83munkQ=",
+        "lastModified": 1785386831,
+        "narHash": "sha256-sPS3CaXH8RAT3FZRuy4VcV47iuYIWMMfa0GbyJKC3o4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bd0ff2d3eac24699c3664d5966b9ef36f388e2ca",
+        "rev": "21ea275a7c46aef9d4d6ddc962e6d562e9d94183",
         "type": "github"
       },
       "original": {
diff --git a/packages/openstack-placement.nix b/packages/openstack-placement.nix
index 0c6bf5d..01338d3 100644
--- a/packages/openstack-placement.nix
+++ b/packages/openstack-placement.nix
@@ -68,7 +68,6 @@ python3Packages.buildPythonPackage (rec {
   ];
 
   checkPhase = ''
-    substituteInPlace placement/tests/unit/cmd/test_manage.py --replace-fail "choose from 'db'" "choose from db"
     stestr run
   '';