diff --git a/third_party/nixpkgs/patches/patch-cherrypy.patch b/third_party/nixpkgs/patches/patch-cherrypy.patch
new file mode 100644
index 0000000000..03d26f1417
--- /dev/null
+++ b/third_party/nixpkgs/patches/patch-cherrypy.patch
@@ -0,0 +1,11 @@
+diff --git a/pkgs/development/python-modules/cherrypy/default.nix b/pkgs/development/python-modules/cherrypy/default.nix
+--- a/pkgs/development/python-modules/cherrypy/default.nix
++++ b/pkgs/development/python-modules/cherrypy/default.nix
+@@ -38,6 +38,7 @@ buildPythonPackage rec {
+   checkPhase = ''
+     substituteInPlace pytest.ini --replace "--doctest-modules" ""
+     pytest \
++      -W ignore \
+       -k 'not KeyboardInterrupt and not daemonize and not Autoreload' \
+       --deselect=cherrypy/test/test_static.py::StaticTest::test_null_bytes \
+       --deselect=cherrypy/test/test_tools.py::ToolTests::testCombinedTools \
diff --git a/third_party/nixpkgs/patches/series b/third_party/nixpkgs/patches/series
index cdbc01e1bf..bd8d0ba6ce 100644
--- a/third_party/nixpkgs/patches/series
+++ b/third_party/nixpkgs/patches/series
@@ -1 +1,2 @@
 various.patch
+patch-cherrypy.patch