diff --git a/pkgs/applications/virtualization/openstack/neutron.nix b/pkgs/applications/virtualization/openstack/neutron.nix
index 3371eb428e6..ac839d9f914 100644
--- a/pkgs/applications/virtualization/openstack/neutron.nix
+++ b/pkgs/applications/virtualization/openstack/neutron.nix
@@ -62,5 +62,8 @@ pythonPackages.buildPythonApplication rec {
     description = "Virtual network service for Openstack";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.linux;
+    # Marked as broken due to needing an update for security issues.
+    # See: https://github.com/NixOS/nixpkgs/issues/18856
+    broken = true;
   };
 }