diff --git a/.github/workflows/build-with-clang.yml b/.github/workflows/build-with-clang.yml
index 498bede5..79f5859d 100644
--- a/.github/workflows/build-with-clang.yml
+++ b/.github/workflows/build-with-clang.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        python: ["3.9", "3.10", "3.11", "3.12"]
+        python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         numpy_version: ["numpy'<2'", "numpy'>=2'"]
 
     env:
diff --git a/pyproject.toml b/pyproject.toml
index eefe397e..98b40465 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,6 +42,7 @@ 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",
   "Topic :: Scientific/Engineering",
@@ -56,7 +57,7 @@ keywords = ["DFTI", "FFT", "Fourier", "MKL"]
 license = "BSD-3-Clause"
 name = "mkl_fft"
 readme = {file = "README.md", content-type = "text/markdown"}
-requires-python = ">=3.9,<3.13"
+requires-python = ">=3.9,<3.14"
 
 [project.optional-dependencies]
 test = ["pytest", "scipy"]