diff --git a/ppb_vector/vector2.py b/ppb_vector/vector2.py
index b46575c3..af9139a5 100644
--- a/ppb_vector/vector2.py
+++ b/ppb_vector/vector2.py
@@ -156,6 +156,9 @@ def __new__(cls, *args, **kwargs):
 
         return self
 
+    def __reduce__(self):
+        return type(self).__new__, (type(self), self.x, self.y)
+
     #: Return a new :py:class:`Vector2` replacing specified fields with new values.
     update = dataclasses.replace
 
diff --git a/tests/test_vector2_ctor.py b/tests/test_vector2_ctor.py
index a30e6c4d..3aa4cd33 100644
--- a/tests/test_vector2_ctor.py
+++ b/tests/test_vector2_ctor.py
@@ -1,3 +1,5 @@
+import pickle
+
 import pytest  # type: ignore
 from hypothesis import given
 
@@ -38,3 +40,13 @@ def test_ctor_noncopy_subclass():
 def test_ctor_noncopy_superclass():
     v = Vector2(1, 2)
     assert V(v) is not v
+
+
+@pytest.mark.parametrize("cls", [Vector2, V])
+@given(v=vectors())
+def test_ctor_pickle(cls, v: Vector2):
+    """Round-trip Vector2 and subclasses through `pickle.{dumps,loads}`."""
+    w = pickle.loads(pickle.dumps(cls(v)))
+
+    assert v == w
+    assert isinstance(w, cls)