diff --git a/specfile/utils.py b/specfile/utils.py
index a628a0f..4ab2368 100644
--- a/specfile/utils.py
+++ b/specfile/utils.py
@@ -98,6 +98,9 @@ def __init__(
     def _key(self) -> tuple:
         return self.name, self.epoch, self.version, self.release
 
+    def __hash__(self) -> int:
+        return hash(self._key())
+
     def __lt__(self, other: object) -> bool:
         if type(other) is not self.__class__:
             return NotImplemented
@@ -172,6 +175,9 @@ def __init__(
     def _key(self) -> tuple:
         return self.name, self.epoch, self.version, self.release, self.arch
 
+    def __hash__(self) -> int:
+        return hash(self._key())
+
     def __lt__(self, other: object) -> bool:
         if type(other) is not self.__class__:
             return NotImplemented