diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8e4c199..85a63c3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     name: Python ${{ matrix.python-version}}
     steps:
diff --git a/HISTORY.rst b/HISTORY.rst
index 28e86f9..568ea7c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -8,6 +8,7 @@ History
 Bug fixes:
 
 * Drop support for Python 3.8. (#137)
+* Add support for Python 3.13. (#136)
 
 
 2.1.20240726 (July 26th, 2024)
diff --git a/pyproject.toml b/pyproject.toml
index 6be2835..8885493 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
@@ -76,6 +77,7 @@ envlist =
     py310
     py311
     py312
+    py313
     py39-lint
     py39-norequests
 
@@ -85,6 +87,7 @@ python =
     3.10: py310
     3.11: py311
     3.12: py312
+    3.13: py313
 
 [testenv]
 extras = dev,cli