diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 2e315e0..e1e8f7c 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -26,7 +26,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools "cython >= 0.28" pytest
+        pip install setuptools "cython >= 3" pytest
     - name: Build with Python ${{ matrix.python-version }}
       run: |
         python setup.py build
diff --git a/.github/workflows/publish-twine.yaml b/.github/workflows/publish-twine.yaml
index 0c5e1f0..31245ed 100644
--- a/.github/workflows/publish-twine.yaml
+++ b/.github/workflows/publish-twine.yaml
@@ -44,7 +44,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools "cython >= 0.28"
+        pip install setuptools "cython >= 3"
     - name: Build sdist
       run: |
         python setup.py build
diff --git a/pyproject.toml b/pyproject.toml
index 8d399bb..7298b5e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
   "setuptools >= 43",
-  "Cython >= 0.28",
+  "Cython >= 3",
 ]
 build-backend = "setuptools.build_meta"