diff --git a/dev_tools/py_requirements.nix b/dev_tools/py_requirements.nix
index 00346a4..21d78f0 100644
--- a/dev_tools/py_requirements.nix
+++ b/dev_tools/py_requirements.nix
@@ -70,7 +70,7 @@ with pypkgs;
         pytestCheckHook
         python-dateutil
         pytz
-        xxhash
+        # xxhash
       ];
 
       preBuild = ''