diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8cab7cc..40eb217 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         python:
+          - '3.13'
           - '3.12'
           - '3.11'
           - '3.10'
@@ -53,7 +54,7 @@ jobs:
         # one for > 3.9)
         run: pytest tests/type_checking/test_result.yml
       - name: Run tests (pattern matching)
-        if: matrix.python == '3.10' || matrix.python == '3.11' || matrix.python == '3.12'
+        if: matrix.python == '3.10' || matrix.python == '3.11' || matrix.python == '3.12' || matrix.python == '3.13'
         run: pytest tests/test_pattern_matching.py
 
       # Linters
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73f5d08..1a664c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ Possible log types:
 
 ## [Unreleased]
 
+
+- `[added]` Add support for Python 3.13 (#181)
 - `[changed]` Improve type narrowing for `is_ok` and `is_err` type guards by
   replacing `typing.TypeGuard` with `typing.TypeIs` (#193)
 
diff --git a/pyproject.toml b/pyproject.toml
index c4d7077..bb085be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [tool.mypy]
-python_version = "3.12"
+python_version = "3.13"
 files = [
   "src",
   "tests",
diff --git a/setup.cfg b/setup.cfg
index b45c8f3..f9c427a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,7 @@ classifiers =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: 3 :: Only
 
 [options]
diff --git a/src/result/result.py b/src/result/result.py
index 8551239..936c07a 100644
--- a/src/result/result.py
+++ b/src/result/result.py
@@ -20,13 +20,16 @@
     Union,
 )
 
-from typing_extensions import TypeIs
-
 if sys.version_info >= (3, 10):
     from typing import ParamSpec, TypeAlias
 else:
     from typing_extensions import ParamSpec, TypeAlias
 
+if sys.version_info >= (3, 13):
+    from typing import TypeIs
+else:
+    from typing_extensions import TypeIs
+
 
 T = TypeVar("T", covariant=True)  # Success type
 E = TypeVar("E", covariant=True)  # Error type
diff --git a/tox.ini b/tox.ini
index b8f9e0a..fe4d3d0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py312,py311,py310,py39,py38
+envlist = py313,py312,py311,py310,py39,py38
 
 [testenv]
 deps = -rrequirements-dev.txt