diff --git a/pyproject.toml b/pyproject.toml
index 190a47e..7ce8eea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "diffrax>=0.7,<0.8",
     "equinox>=0.12.1,<0.14",
     "interpax>=0.3.8,<0.4",
-    "jax>=0.5,<0.9",
+    "jax>=0.5,<0.10",
     "numpy>=1,<3",
     "optax>=0.2.4,<0.3",
     "optimistix>=0.0.10,<0.1",