diff --git a/src/ape/types/__init__.py b/src/ape/types/__init__.py
index 066475e96f..94ddf2033a 100644
--- a/src/ape/types/__init__.py
+++ b/src/ape/types/__init__.py
@@ -500,6 +500,9 @@ def __eq__(self, other: Any) -> bool:
         # Try from the other end, if hasn't already.
         return NotImplemented
 
+    def __hash__(self) -> int:
+        return hash(int(self))
+
     @classmethod
     def __get_pydantic_core_schema__(cls, value, handler=None) -> CoreSchema:
         return no_info_plain_validator_function(
diff --git a/tests/functional/test_types.py b/tests/functional/test_types.py
index 4e5ed11bd3..3163953c62 100644
--- a/tests/functional/test_types.py
+++ b/tests/functional/test_types.py
@@ -195,3 +195,9 @@ class MyAnnotatedModel(BaseModel):
         for actual in (model.val, model.val_optional, model.val_in_dict["value"]):
             for ex in (value, expected):
                 assert actual == ex
+
+    def test_hashable(self):
+        mapping: dict[int, str] = {0: "0", 1: "1"}
+        key = CurrencyValueComparable(0)
+        assert key in mapping
+        assert mapping[key] == "0"