diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index 8dcbb625c..1c2c27481 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -149,7 +149,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
         should-release:
           - ${{ github.event_name == 'push' && contains(github.ref, 'refs/tags') }}
         exclude:
diff --git a/doc/changelog.d/635.added.md b/doc/changelog.d/635.added.md
new file mode 100644
index 000000000..b5cf9229e
--- /dev/null
+++ b/doc/changelog.d/635.added.md
@@ -0,0 +1 @@
+feat: add python 3.13 support
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index ad6ced810..84c8f36b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 dependencies = [
     "Sphinx>=6.1.0",