diff --git a/ci/requirements_gh.txt b/ci/requirements_gh.txt
index 31ca4bbb1..353f2faea 100644
--- a/ci/requirements_gh.txt
+++ b/ci/requirements_gh.txt
@@ -8,7 +8,7 @@ wheel
 numpy <1.19 ; python_version <= '3.5'
 numpy <1.20 ; python_version <= '3.6'
 numpy; python_version> '3.6'
-cython
+cython >=0.29.31
 pillow
 lxml
 unittest2
diff --git a/ci/requirements_rtd.txt b/ci/requirements_rtd.txt
index c2dcf9ff5..e2c46eb72 100644
--- a/ci/requirements_rtd.txt
+++ b/ci/requirements_rtd.txt
@@ -4,7 +4,7 @@ h5py
 fabio
 sphinx
 scipy
-cython
+cython >=0.29.31
 pygments[plugins]
 sphinxcontrib-programoutput
 silx
diff --git a/ci/requirements_travis.txt b/ci/requirements_travis.txt
index 152dc4fd3..641a27b40 100644
--- a/ci/requirements_travis.txt
+++ b/ci/requirements_travis.txt
@@ -5,7 +5,7 @@
 wheel
 numpy <1.19 ; python_version <= '3.5'
 numpy; python_version>= '3.6'
-cython
+cython (>=0.29.31)
 pillow
 lxml
 unittest2
diff --git a/doc/source/changelog.rst b/doc/source/changelog.rst
index 269923007..74b9857c4 100644
--- a/doc/source/changelog.rst
+++ b/doc/source/changelog.rst
@@ -1,5 +1,5 @@
 :Author: Jérôme Kieffer
-:Date: 03/03/2023
+:Date: 07/03/2023
 :Keywords: changelog
 
 Change-log of versions
@@ -8,7 +8,7 @@ Change-log of versions
 2023.XX
 -------
 - Support all version of python between 3.7 and 3.11
-- Support Cython 3.0b1 (with performance degradation) in addition of cython 0.29
+- Support Cython 3.0b1 (with performance degradation) in addition of cython 0.29.31+
 
 2023.02 27/02/2023
 ------------------
diff --git a/package/debian10/control b/package/debian10/control
index 18ae615a6..f6192f136 100644
--- a/package/debian10/control
+++ b/package/debian10/control
@@ -4,7 +4,7 @@ Uploaders: Jerome Kieffer <jerome.kieffer@esrf.fr>,
            Picca Frédéric-Emmanuel <picca@debian.org>
 Section: science
 Priority: extra
-Build-Depends: cython3,
+Build-Depends: cython3 (>=0.29.31),
                cython3-dbg,
                debhelper,
                dh-python,
diff --git a/package/debian11/control b/package/debian11/control
index 7eec894e1..140708429 100644
--- a/package/debian11/control
+++ b/package/debian11/control
@@ -4,7 +4,7 @@ Uploaders: Jerome Kieffer <jerome.kieffer@esrf.fr>,
            Picca Frédéric-Emmanuel <picca@debian.org>
 Section: science
 Priority: extra
-Build-Depends: cython3,
+Build-Depends: cython3 (>=0.29.31),
                cython3-dbg,
                debhelper,
                dh-python,
diff --git a/pyproject.toml b/pyproject.toml
index 2ae1f8cf6..a69003c25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ requires = [
     'ninja',
     'wheel',
     'numpy',
-    'Cython>=0.25',
+    'Cython>=0.29.31',
     'numpy',
     'pyproject-metadata>=0.5.0',
     'tomli>=1.0.0'
diff --git a/requirements.txt b/requirements.txt
index 1c4444e4d..e369e47af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ wheel
 meson-python
 ninja
 numpy
-cython
+cython >=0.29.31
 fabio
 scipy
 matplotlib