diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7a6554..f6073de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## [0.12.1] - 2023-07-27
+
+### Fixed
+
+- Make float and int hashable.
+
 ## [0.12.0] - 2023-07-27
 
 ### Added
@@ -359,7 +365,8 @@
 - Fixed handling of super tables with different sections.
 - Fixed raw strings escaping.
 
-[unreleased]: https://github.com/sdispater/tomlkit/compare/0.12.0...master
+[unreleased]: https://github.com/sdispater/tomlkit/compare/0.12.1...master
+[0.12.1]: https://github.com/sdispater/tomlkit/releases/tag/0.12.1
 [0.12.0]: https://github.com/sdispater/tomlkit/releases/tag/0.12.0
 [0.11.8]: https://github.com/sdispater/tomlkit/releases/tag/0.11.8
 [0.11.7]: https://github.com/sdispater/tomlkit/releases/tag/0.11.7
diff --git a/pyproject.toml b/pyproject.toml
index ac0807a..9087572 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tomlkit"
-version = "0.12.0"
+version = "0.12.1"
 description = "Style preserving TOML library"
 authors = [
     "Sébastien Eustace <sebastien@eustace.io>",
diff --git a/tomlkit/__init__.py b/tomlkit/__init__.py
index 1236d01..1f2bd02 100644
--- a/tomlkit/__init__.py
+++ b/tomlkit/__init__.py
@@ -27,7 +27,7 @@
 from tomlkit.api import ws
 
 
-__version__ = "0.12.0"
+__version__ = "0.12.1"
 __all__ = [
     "aot",
     "array",
diff --git a/tomlkit/items.py b/tomlkit/items.py
index 853754a..75e8ae2 100644
--- a/tomlkit/items.py
+++ b/tomlkit/items.py
@@ -612,6 +612,9 @@ def unwrap(self) -> int:
 
     __int__ = unwrap
 
+    def __hash__(self) -> int:
+        return hash(self.unwrap())
+
     @property
     def discriminant(self) -> int:
         return 2
@@ -693,6 +696,9 @@ def unwrap(self) -> float:
 
     __float__ = unwrap
 
+    def __hash__(self) -> int:
+        return hash(self.unwrap())
+
     @property
     def discriminant(self) -> int:
         return 3