diff --git a/pyproject.toml b/pyproject.toml
index 0528f4c0..4f1ddb23 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -116,6 +116,7 @@ filterwarnings = [
   "ignore:ast\\.Str is deprecated:DeprecationWarning",
   "ignore:numpy\\.ndarray size changed:RuntimeWarning",
   "ignore:Passing arguments 'a':DeprecationWarning",  # TODO: from diffrax
+  "ignore:jax\\.core\\.pp_eqn_rules is deprecated:DeprecationWarning",
 ]
 log_cli_level = "INFO"
 markers = [