diff --git a/jaxlie/_base.py b/jaxlie/_base.py
index 6e7aca3..4453a92 100644
--- a/jaxlie/_base.py
+++ b/jaxlie/_base.py
@@ -176,7 +176,7 @@ def normalize(self: GroupType) -> GroupType:
 
     @classmethod
     @abc.abstractmethod
-    def sample_uniform(cls: Type[GroupType], key: hints.KeyArray) -> GroupType:
+    def sample_uniform(cls: Type[GroupType], key: jax.Array) -> GroupType:
         """Draw a uniform sample from the group. Translations (if applicable) are in the
         range [-1, 1].
 
diff --git a/jaxlie/_se2.py b/jaxlie/_se2.py
index 42dc84c..b6c412e 100644
--- a/jaxlie/_se2.py
+++ b/jaxlie/_se2.py
@@ -212,7 +212,7 @@ def adjoint(self: "SE2") -> jax.Array:
 
     @staticmethod
     @override
-    def sample_uniform(key: hints.KeyArray) -> "SE2":
+    def sample_uniform(key: jax.Array) -> "SE2":
         key0, key1 = jax.random.split(key)
         return SE2.from_rotation_and_translation(
             rotation=SO2.sample_uniform(key0),
diff --git a/jaxlie/_se3.py b/jaxlie/_se3.py
index 83246b5..6c4636f 100644
--- a/jaxlie/_se3.py
+++ b/jaxlie/_se3.py
@@ -204,7 +204,7 @@ def adjoint(self) -> jax.Array:
 
     @staticmethod
     @override
-    def sample_uniform(key: hints.KeyArray) -> SE3:
+    def sample_uniform(key: jax.Array) -> SE3:
         key0, key1 = jax.random.split(key)
         return SE3.from_rotation_and_translation(
             rotation=SO3.sample_uniform(key0),
diff --git a/jaxlie/_so2.py b/jaxlie/_so2.py
index c83a329..31678db 100644
--- a/jaxlie/_so2.py
+++ b/jaxlie/_so2.py
@@ -120,7 +120,7 @@ def normalize(self) -> SO2:
 
     @staticmethod
     @override
-    def sample_uniform(key: hints.KeyArray) -> SO2:
+    def sample_uniform(key: jax.Array) -> SO2:
         return SO2.from_radians(
             jax.random.uniform(key=key, minval=0.0, maxval=2.0 * jnp.pi)
         )
diff --git a/jaxlie/_so3.py b/jaxlie/_so3.py
index 36e826f..de6e569 100644
--- a/jaxlie/_so3.py
+++ b/jaxlie/_so3.py
@@ -402,7 +402,7 @@ def normalize(self) -> SO3:
 
     @staticmethod
     @override
-    def sample_uniform(key: hints.KeyArray) -> SO3:
+    def sample_uniform(key: jax.Array) -> SO3:
         # Uniformly sample over S^3.
         # > Reference: http://planning.cs.uiuc.edu/node198.html
         u1, u2, u3 = jax.random.uniform(
diff --git a/jaxlie/hints/__init__.py b/jaxlie/hints/__init__.py
index cb38980..566a762 100644
--- a/jaxlie/hints/__init__.py
+++ b/jaxlie/hints/__init__.py
@@ -20,17 +20,8 @@ class RollPitchYaw(NamedTuple):
     yaw: Scalar
 
 
-try:
-    # This is only exposed in `jax>=0.2.21`.
-    from jax.random import KeyArray
-except ImportError:
-    KeyArray = Any  # type: ignore
-    """Backward-compatible alias for `jax.random.KeyArray`."""
-
-
 __all__ = [
     "Array",
     "Scalar",
     "RollPitchYaw",
-    "KeyArray",
 ]
diff --git a/setup.py b/setup.py
index b87d756..6faa80f 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="jaxlie",
-    version="1.3.3",
+    version="1.3.4",
     description="Matrix Lie groups in JAX",
     long_description=long_description,
     long_description_content_type="text/markdown",