diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 75b05ca..6e71aef 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -78,6 +78,7 @@ jobs:
           - "cp310-*"
           - "cp311-*"
           - "cp312-*"
+          - "cp313-*"
         exclude:
           - os: ubuntu-latest
             cibw_arch: universal2
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1c415c2..895b4ea 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         os: [windows-latest, ubuntu-latest, macos-latest]
 
     env:
diff --git a/setup.py b/setup.py
index 200e6f6..adca1f8 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 ROOT = pathlib.Path(__file__).parent
 
-CYTHON_DEPENDENCY = 'Cython(>=0.29.24,<0.30.0)'
+CYTHON_DEPENDENCY = 'Cython>=0.29.24'
 
 
 class httptools_build_ext(build_ext):